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Die Richtung bleibt dabei erhalten, nur die Länge ändert sich.",[564,794,795,796,825],{},"Für den Nullvektor gibt es keinen Einheitsvektor, weil man durch ",[572,797,799,813],{"className":798},[575],[572,800,802],{"className":801},[579],[581,803,804],{"xmlns":583},[585,805,806,811],{},[588,807,808],{},[591,809,810],{},"0",[595,812,810],{"encoding":597},[572,814,816],{"className":815,"ariaHidden":602},[601],[572,817,819,822],{"className":818},[606],[572,820],{"className":821,"style":611},[610],[572,823,810],{"className":824},[615]," teilen müsste und der Nullvektor keine Richtung hat.",[564,827,828,829,860,861,925,926,1069],{},"Einheitsvektoren braucht man, um einen Vektor mit vorgegebener Länge in eine bestimmte Richtung zu bauen: Ein Vektor der Länge ",[572,830,832,846],{"className":831},[575],[572,833,835],{"className":834},[579],[581,836,837],{"xmlns":583},[585,838,839,844],{},[588,840,841],{},[633,842,843],{},"k",[595,845,843],{"encoding":597},[572,847,849],{"className":848,"ariaHidden":602},[601],[572,850,852,856],{"className":851},[606],[572,853],{"className":854,"style":855},[610],"height:0.6944em;",[572,857,843],{"className":858,"style":859},[615,680],"margin-right:0.0315em;"," in Richtung ",[572,862,864,881],{"className":863},[575],[572,865,867],{"className":866},[579],[581,868,869],{"xmlns":583},[585,870,871,879],{},[588,872,873],{},[630,874,875,877],{"accent":602},[633,876,635],{},[637,878,639],{},[595,880,642],{"encoding":597},[572,882,884],{"className":883,"ariaHidden":602},[601],[572,885,887,890],{"className":886},[606],[572,888],{"className":889,"style":652},[610],[572,891,893],{"className":892},[615,656],[572,894,896],{"className":895},[660],[572,897,899],{"className":898},[664],[572,900,902,910],{"className":901,"style":652},[668],[572,903,904,907],{"style":671},[572,905],{"className":906,"style":676},[675],[572,908,635],{"className":909},[615,680],[572,911,912,915],{"style":671},[572,913],{"className":914,"style":676},[675],[572,916,918],{"className":917,"style":690},[689],[572,919,921],{"className":920,"style":695},[694],[697,922,923],{"xmlns":699,"width":700,"height":701,"style":702,"viewBox":703,"preserveAspectRatio":704},[706,924],{"d":708}," ist ",[572,927,929,963],{"className":928},[575],[572,930,932],{"className":931},[579],[581,933,934],{"xmlns":583},[585,935,936,960],{},[588,937,938,940,943],{},[633,939,843],{},[637,941,942],{},"⋅",[944,945,946,952],"msup",{},[630,947,948,950],{"accent":602},[633,949,635],{},[637,951,639],{},[588,953,954,958],{},[955,956,957],"mtext",{}," ",[591,959,810],{},[595,961,962],{"encoding":597},"k \\cdot \\vec{a}^{\\,0}",[572,964,966,987],{"className":965,"ariaHidden":602},[601],[572,967,969,972,975,980,984],{"className":968},[606],[572,970],{"className":971,"style":855},[610],[572,973,843],{"className":974,"style":859},[615,680],[572,976],{"className":977,"style":979},[978],"mspace","margin-right:0.2222em;",[572,981,942],{"className":982},[983],"mbin",[572,985],{"className":986,"style":979},[978],[572,988,990,994],{"className":989},[606],[572,991],{"className":992,"style":993},[610],"height:0.8141em;",[572,995,997,1032],{"className":996},[615],[572,998,1000],{"className":999},[615,656],[572,1001,1003],{"className":1002},[660],[572,1004,1006],{"className":1005},[664],[572,1007,1009,1017],{"className":1008,"style":652},[668],[572,1010,1011,1014],{"style":671},[572,1012],{"className":1013,"style":676},[675],[572,1015,635],{"className":1016},[615,680],[572,1018,1019,1022],{"style":671},[572,1020],{"className":1021,"style":676},[675],[572,1023,1025],{"className":1024,"style":690},[689],[572,1026,1028],{"className":1027,"style":695},[694],[697,1029,1030],{"xmlns":699,"width":700,"height":701,"style":702,"viewBox":703,"preserveAspectRatio":704},[706,1031],{"d":708},[572,1033,1036],{"className":1034},[1035],"msupsub",[572,1037,1039],{"className":1038},[660],[572,1040,1042],{"className":1041},[664],[572,1043,1045],{"className":1044,"style":993},[668],[572,1046,1048,1052],{"style":1047},"top:-3.063em;margin-right:0.05em;",[572,1049],{"className":1050,"style":1051},[675],"height:2.7em;",[572,1053,1059],{"className":1054},[1055,1056,1057,1058],"sizing","reset-size6","size3","mtight",[572,1060,1062,1066],{"className":1061},[615,1058],[572,1063],{"className":1064,"style":1065},[978,1058],"margin-right:0.1952em;",[572,1067,810],{"className":1068},[615,1058],". Auch die Hessesche Normalform einer Ebene nutzt einen normierten Normalenvektor.",[559,1071,1073],{"id":1072},"beispiele","Beispiele",[564,1075,1076,1077,925,1375,1592],{},"Für ",[572,1078,1080,1149],{"className":1079},[575],[572,1081,1083],{"className":1082},[579],[581,1084,1085],{"xmlns":583},[585,1086,1087,1146],{},[588,1088,1089,1095,1098],{},[630,1090,1091,1093],{"accent":602},[633,1092,635],{},[637,1094,639],{},[637,1096,1097],{},"=",[588,1099,1100,1103,1143],{},[637,1101,1102],{"fence":602},"(",[1104,1105,1109,1122,1135],"mtable",{"rowspacing":1106,"columnalign":1107,"columnspacing":1108},"0.16em","center","1em",[1110,1111,1112],"mtr",{},[1113,1114,1115],"mtd",{},[1116,1117,1119],"mstyle",{"scriptlevel":810,"displaystyle":1118},"false",[591,1120,1121],{},"2",[1110,1123,1124],{},[1113,1125,1126],{},[1116,1127,1128],{"scriptlevel":810,"displaystyle":1118},[588,1129,1130,1133],{},[637,1131,1132],{},"−",[591,1134,593],{},[1110,1136,1137],{},[1113,1138,1139],{},[1116,1140,1141],{"scriptlevel":810,"displaystyle":1118},[591,1142,1121],{},[637,1144,1145],{"fence":602},")",[595,1147,1148],{"encoding":597},"\\vec{a} = \\begin{pmatrix} 2 \\\\ -1 \\\\ 2 \\end{pmatrix}",[572,1150,1152,1204],{"className":1151,"ariaHidden":602},[601],[572,1153,1155,1158,1193,1197,1201],{"className":1154},[606],[572,1156],{"className":1157,"style":652},[610],[572,1159,1161],{"className":1160},[615,656],[572,1162,1164],{"className":1163},[660],[572,1165,1167],{"className":1166},[664],[572,1168,1170,1178],{"className":1169,"style":652},[668],[572,1171,1172,1175],{"style":671},[572,1173],{"className":1174,"style":676},[675],[572,1176,635],{"className":1177},[615,680],[572,1179,1180,1183],{"style":671},[572,1181],{"className":1182,"style":676},[675],[572,1184,1186],{"className":1185,"style":690},[689],[572,1187,1189],{"className":1188,"style":695},[694],[697,1190,1191],{"xmlns":699,"width":700,"height":701,"style":702,"viewBox":703,"preserveAspectRatio":704},[706,1192],{"d":708},[572,1194],{"className":1195,"style":1196},[978],"margin-right:0.2778em;",[572,1198,1097],{"className":1199},[1200],"mrel",[572,1202],{"className":1203,"style":1196},[978],[572,1205,1207,1211],{"className":1206},[606],[572,1208],{"className":1209,"style":1210},[610],"height:3.6em;vertical-align:-1.55em;",[572,1212,1215,1267,1336],{"className":1213},[1214],"minner",[572,1216,1219],{"className":1217},[1218],"mopen",[572,1220,1224],{"className":1221},[1222,1223],"delimsizing","mult",[572,1225,1228,1258],{"className":1226},[660,1227],"vlist-t2",[572,1229,1231,1253],{"className":1230},[664],[572,1232,1235],{"className":1233,"style":1234},[668],"height:2.05em;",[572,1236,1238,1242],{"style":1237},"top:-4.05em;",[572,1239],{"className":1240,"style":1241},[675],"height:5.6em;",[572,1243,1245],{"style":1244},"width:0.875em;height:3.6em;",[697,1246,1250],{"xmlns":699,"width":1247,"height":1248,"viewBox":1249},"0.875em","3.6em","0 0 875 3600",[706,1251],{"d":1252},"M863,9c0,-2,-2,-5,-6,-9c0,0,-17,0,-17,0c-12.7,0,-19.3,0.3,-20,1\nc-5.3,5.3,-10.3,11,-15,17c-242.7,294.7,-395.3,682,-458,1162c-21.3,163.3,-33.3,349,\n-36,557 l0,84c0.2,6,0,26,0,60c2,159.3,10,310.7,24,454c53.3,528,210,\n949.7,470,1265c4.7,6,9.7,11.7,15,17c0.7,0.7,7,1,19,1c0,0,18,0,18,0c4,-4,6,-7,6,-9\nc0,-2.7,-3.3,-8.7,-10,-18c-135.3,-192.7,-235.5,-414.3,-300.5,-665c-65,-250.7,-102.5,\n-544.7,-112.5,-882c-2,-104,-3,-167,-3,-189\nl0,-92c0,-162.7,5.7,-314,17,-454c20.7,-272,63.7,-513,129,-723c65.3,\n-210,155.3,-396.3,270,-559c6.7,-9.3,10,-15.3,10,-18z",[572,1254,1257],{"className":1255},[1256],"vlist-s","​",[572,1259,1261],{"className":1260},[664],[572,1262,1265],{"className":1263,"style":1264},[668],"height:1.55em;",[572,1266],{},[572,1268,1270],{"className":1269},[615],[572,1271,1273],{"className":1272},[1104],[572,1274,1277],{"className":1275},[1276],"col-align-c",[572,1278,1280,1328],{"className":1279},[660,1227],[572,1281,1283,1325],{"className":1282},[664],[572,1284,1286,1298,1313],{"className":1285,"style":1234},[668],[572,1287,1289,1292],{"style":1288},"top:-4.21em;",[572,1290],{"className":1291,"style":676},[675],[572,1293,1295],{"className":1294},[615],[572,1296,1121],{"className":1297},[615],[572,1299,1301,1304],{"style":1300},"top:-3.01em;",[572,1302],{"className":1303,"style":676},[675],[572,1305,1307,1310],{"className":1306},[615],[572,1308,1132],{"className":1309},[615],[572,1311,593],{"className":1312},[615],[572,1314,1316,1319],{"style":1315},"top:-1.81em;",[572,1317],{"className":1318,"style":676},[675],[572,1320,1322],{"className":1321},[615],[572,1323,1121],{"className":1324},[615],[572,1326,1257],{"className":1327},[1256],[572,1329,1331],{"className":1330},[664],[572,1332,1334],{"className":1333,"style":1264},[668],[572,1335],{},[572,1337,1340],{"className":1338},[1339],"mclose",[572,1341,1343],{"className":1342},[1222,1223],[572,1344,1346,1367],{"className":1345},[660,1227],[572,1347,1349,1364],{"className":1348},[664],[572,1350,1352],{"className":1351,"style":1234},[668],[572,1353,1354,1357],{"style":1237},[572,1355],{"className":1356,"style":1241},[675],[572,1358,1359],{"style":1244},[697,1360,1361],{"xmlns":699,"width":1247,"height":1248,"viewBox":1249},[706,1362],{"d":1363},"M76,0c-16.7,0,-25,3,-25,9c0,2,2,6.3,6,13c21.3,28.7,42.3,60.3,\n63,95c96.7,156.7,172.8,332.5,228.5,527.5c55.7,195,92.8,416.5,111.5,664.5\nc11.3,139.3,17,290.7,17,454c0,28,1.7,43,3.3,45l0,9\nc-3,4,-3.3,16.7,-3.3,38c0,162,-5.7,313.7,-17,455c-18.7,248,-55.8,469.3,-111.5,664\nc-55.7,194.7,-131.8,370.3,-228.5,527c-20.7,34.7,-41.7,66.3,-63,95c-2,3.3,-4,7,-6,11\nc0,7.3,5.7,11,17,11c0,0,11,0,11,0c9.3,0,14.3,-0.3,15,-1c5.3,-5.3,10.3,-11,15,-17\nc242.7,-294.7,395.3,-681.7,458,-1161c21.3,-164.7,33.3,-350.7,36,-558\nl0,-144c-2,-159.3,-10,-310.7,-24,-454c-53.3,-528,-210,-949.7,\n-470,-1265c-4.7,-6,-9.7,-11.7,-15,-17c-0.7,-0.7,-6.7,-1,-18,-1z",[572,1365,1257],{"className":1366},[1256],[572,1368,1370],{"className":1369},[664],[572,1371,1373],{"className":1372,"style":1264},[668],[572,1374],{},[572,1376,1378,1424],{"className":1377},[575],[572,1379,1381],{"className":1380},[579],[581,1382,1383],{"xmlns":583},[585,1384,1385,1421],{},[588,1386,1387,1389,1395,1397,1399,1416,1418],{},[633,1388,725],{"mathvariant":724},[630,1390,1391,1393],{"accent":602},[633,1392,635],{},[637,1394,639],{},[633,1396,725],{"mathvariant":724},[637,1398,1097],{},[1400,1401,1402],"msqrt",{},[588,1403,1404,1407,1410,1412,1414],{},[591,1405,1406],{},"4",[637,1408,1409],{},"+",[591,1411,593],{},[637,1413,1409],{},[591,1415,1406],{},[637,1417,1097],{},[591,1419,1420],{},"3",[595,1422,1423],{"encoding":597},"|\\vec{a}| = \\sqrt{4 + 1 + 4} = 3",[572,1425,1427,1483,1583],{"className":1426,"ariaHidden":602},[601],[572,1428,1430,1433,1436,1471,1474,1477,1480],{"className":1429},[606],[572,1431],{"className":1432,"style":746},[610],[572,1434,725],{"className":1435},[615],[572,1437,1439],{"className":1438},[615,656],[572,1440,1442],{"className":1441},[660],[572,1443,1445],{"className":1444},[664],[572,1446,1448,1456],{"className":1447,"style":652},[668],[572,1449,1450,1453],{"style":671},[572,1451],{"className":1452,"style":676},[675],[572,1454,635],{"className":1455},[615,680],[572,1457,1458,1461],{"style":671},[572,1459],{"className":1460,"style":676},[675],[572,1462,1464],{"className":1463,"style":690},[689],[572,1465,1467],{"className":1466,"style":695},[694],[697,1468,1469],{"xmlns":699,"width":700,"height":701,"style":702,"viewBox":703,"preserveAspectRatio":704},[706,1470],{"d":708},[572,1472,725],{"className":1473},[615],[572,1475],{"className":1476,"style":1196},[978],[572,1478,1097],{"className":1479},[1200],[572,1481],{"className":1482,"style":1196},[978],[572,1484,1486,1490,1574,1577,1580],{"className":1485},[606],[572,1487],{"className":1488,"style":1489},[610],"height:1.04em;vertical-align:-0.1744em;",[572,1491,1494],{"className":1492},[615,1493],"sqrt",[572,1495,1497,1565],{"className":1496},[660,1227],[572,1498,1500,1562],{"className":1499},[664],[572,1501,1504,1542],{"className":1502,"style":1503},[668],"height:0.8656em;",[572,1505,1508,1511],{"className":1506,"style":671},[1507],"svg-align",[572,1509],{"className":1510,"style":676},[675],[572,1512,1515,1518,1521,1524,1527,1530,1533,1536,1539],{"className":1513,"style":1514},[615],"padding-left:0.833em;",[572,1516,1406],{"className":1517},[615],[572,1519],{"className":1520,"style":979},[978],[572,1522,1409],{"className":1523},[983],[572,1525],{"className":1526,"style":979},[978],[572,1528,593],{"className":1529},[615],[572,1531],{"className":1532,"style":979},[978],[572,1534,1409],{"className":1535},[983],[572,1537],{"className":1538,"style":979},[978],[572,1540,1406],{"className":1541},[615],[572,1543,1545,1548],{"style":1544},"top:-2.8256em;",[572,1546],{"className":1547,"style":676},[675],[572,1549,1553],{"className":1550,"style":1552},[1551],"hide-tail","min-width:0.853em;height:1.08em;",[697,1554,1559],{"xmlns":699,"width":1555,"height":1556,"viewBox":1557,"preserveAspectRatio":1558},"400em","1.08em","0 0 400000 1080","xMinYMin slice",[706,1560],{"d":1561},"M95,702\nc-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14\nc0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54\nc44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10\ns173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429\nc69,-144,104.5,-217.7,106.5,-221\nl0 -0\nc5.3,-9.3,12,-14,20,-14\nH400000v40H845.2724\ns-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7\nc-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z\nM834 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= \\frac{1}{3} \\begin{pmatrix} 2 \\\\ -1 \\\\ 2 \\end{pmatrix} = \\begin{pmatrix} \\frac{2}{3} \\\\ -\\frac{1}{3} \\\\ \\frac{2}{3} 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+ \\left(-\\frac{1}{3}\\right)^2 + \\left(\\frac{2}{3}\\right)^2 = \\frac{4 + 1 + 4}{9} = 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Alle Koordinaten werden durch denselben Betrag geteilt.",[4082,4420,4421,4422,570,4497,4235,4572,2977],{},"Glauben, ein Vektor mit lauter Einsen sei ein Einheitsvektor: ",[572,4423,4425,4455],{"className":4424},[575],[572,4426,4428],{"className":4427},[579],[581,4429,4430],{"xmlns":583},[585,4431,4432,4452],{},[588,4433,4434,4436,4438,4440,4442,4444,4446,4448,4450],{},[637,4435,1102],{"stretchy":1118},[591,4437,593],{},[637,4439,3112],{"separator":602},[955,4441,3115],{},[591,4443,593],{},[637,4445,3112],{"separator":602},[955,4447,3115],{},[591,4449,810],{},[637,4451,1145],{"stretchy":1118},[595,4453,4454],{"encoding":597},"(1,\\ 1,\\ 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preserveAspectRatio=\"xMinYMin\">\u003Cpath d=\"M377 20c0-5.333 1.833-10 5.5-14S391 0 397 0c4.667 0 8.667 1.667 12 5\n3.333 2.667 6.667 9 10 19 6.667 24.667 20.333 43.667 41 57 7.333 4.667 11\n10.667 11 18 0 6-1 10-3 12s-6.667 5-14 9c-28.667 14.667-53.667 35.667-75 63\n-1.333 1.333-3.167 3.5-5.5 6.5s-4 4.833-5 5.5c-1 .667-2.5 1.333-4.5 2s-4.333 1\n-7 1c-4.667 0-9.167-1.833-13.5-5.5S337 184 337 178c0-12.667 15.667-32.333 47-59\nH213l-171-1c-8.667-6-13-12.333-13-19 0-4.667 4.333-11.333 13-20h359\nc-16-25.333-24-45-24-59z\"\u002F>\u003C\u002Fsvg>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"mspace\" style=\"margin-right:0.2778em;\">\u003C\u002Fspan>\u003Cspan class=\"mrel\">\u003Cspan class=\"mrel\">\u003Cspan class=\"mord katex-vbox\">\u003Cspan class=\"katex-thinbox\">\u003Cspan class=\"rlap\">\u003Cspan class=\"katex-strut\" 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class=\"pstrut\" style=\"height:3em;\">\u003C\u002Fspan>\u003Cspan class=\"accent-body\" style=\"left:-0.2355em;\">\u003Cspan class=\"katex-overlay\" style=\"height:0.714em;width:0.471em;\">\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" width=\"0.471em\" height=\"0.714em\" style=\"width:0.471em\" viewBox=\"0 0 471 714\" preserveAspectRatio=\"xMinYMin\">\u003Cpath d=\"M377 20c0-5.333 1.833-10 5.5-14S391 0 397 0c4.667 0 8.667 1.667 12 5\n3.333 2.667 6.667 9 10 19 6.667 24.667 20.333 43.667 41 57 7.333 4.667 11\n10.667 11 18 0 6-1 10-3 12s-6.667 5-14 9c-28.667 14.667-53.667 35.667-75 63\n-1.333 1.333-3.167 3.5-5.5 6.5s-4 4.833-5 5.5c-1 .667-2.5 1.333-4.5 2s-4.333 1\n-7 1c-4.667 0-9.167-1.833-13.5-5.5S337 184 337 178c0-12.667 15.667-32.333 47-59\nH213l-171-1c-8.667-6-13-12.333-13-19 0-4.667 4.333-11.333 13-20h359\nc-16-25.333-24-45-24-59z\"\u002F>\u003C\u002Fsvg>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fspan>",null,"md","unit-vector","\\vec{a}^{\\,0} = \\frac{1}{|\\vec{a}|} \\cdot \\vec{a}","\u003Cspan class=\"katex-display\">\u003Cspan class=\"katex\">\u003Cspan class=\"katex-mathml\">\u003Cmath xmlns=\"http:\u002F\u002Fwww.w3.org\u002F1998\u002FMath\u002FMathML\" display=\"block\">\u003Csemantics>\u003Cmrow>\u003Cmsup>\u003Cmover accent=\"true\">\u003Cmi>a\u003C\u002Fmi>\u003Cmo>⃗\u003C\u002Fmo>\u003C\u002Fmover>\u003Cmrow>\u003Cmtext> \u003C\u002Fmtext>\u003Cmn>0\u003C\u002Fmn>\u003C\u002Fmrow>\u003C\u002Fmsup>\u003Cmo>=\u003C\u002Fmo>\u003Cmfrac>\u003Cmn>1\u003C\u002Fmn>\u003Cmrow>\u003Cmi mathvariant=\"normal\">∣\u003C\u002Fmi>\u003Cmover accent=\"true\">\u003Cmi>a\u003C\u002Fmi>\u003Cmo>⃗\u003C\u002Fmo>\u003C\u002Fmover>\u003Cmi mathvariant=\"normal\">∣\u003C\u002Fmi>\u003C\u002Fmrow>\u003C\u002Fmfrac>\u003Cmo>⋅\u003C\u002Fmo>\u003Cmover accent=\"true\">\u003Cmi>a\u003C\u002Fmi>\u003Cmo>⃗\u003C\u002Fmo>\u003C\u002Fmover>\u003C\u002Fmrow>\u003Cannotation encoding=\"application\u002Fx-tex\">\\vec{a}^{\\,0} = \\frac{1}{|\\vec{a}|} \\cdot \\vec{a}\u003C\u002Fannotation>\u003C\u002Fsemantics>\u003C\u002Fmath>\u003C\u002Fspan>\u003Cspan class=\"katex-html\" aria-hidden=\"true\">\u003Cspan class=\"katex-base\">\u003Cspan class=\"katex-strut\" style=\"height:0.8641em;\">\u003C\u002Fspan>\u003Cspan class=\"mord\">\u003Cspan class=\"mord katex-accent\">\u003Cspan class=\"vlist-t\">\u003Cspan class=\"vlist-r\">\u003Cspan class=\"vlist\" style=\"height:0.714em;\">\u003Cspan style=\"top:-3em;\">\u003Cspan class=\"pstrut\" style=\"height:3em;\">\u003C\u002Fspan>\u003Cspan class=\"mord mathnormal\">a\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan style=\"top:-3em;\">\u003Cspan class=\"pstrut\" 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