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Mathematics · 2013
JEE Main 2013 · 2013-04-07 Offline · Q25
If the vectors AB =3 i +4 k and AC =5 i -2 j +4 k are the sides of a triangle ABC, then the length of the median through A is:
If the vectors $\displaystyle \overrightarrow{\mathrm{AB}}=3 \hat{i}+4 \hat{k} \quad$ and $\displaystyle \overrightarrow{\mathrm{AC}}=5 \hat{i}-2 \hat{j}+4 \hat{k}$ are the sides of a triangle ABC, then the length of the median through A is :
Official answer
(4)
$\displaystyle \sqrt{33}$
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JEE Main 2013 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.