Find unit vector perpendicular to vec A and v | vedclass

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Question

$\overrightarrow{\mathrm{C}}=\overrightarrow{\mathrm{A}} 	imes \overrightarrow{\mathrm{B}}$
$\overrightarrow{\mathrm{C}}=-2 \hat{\mathrm{i}}+\hat{\m

Vedclass · Accepted Answer

$\frac{{ - 2\hat i + \hat j + 4\hat k}}{{\sqrt {21} }}$

Vedclass · Answer

$\overrightarrow{\mathrm{C}}=\overrightarrow{\mathrm{A}} 	imes \overrightarrow{\mathrm{B}}$
$\overrightarrow{\mathrm{C}}=-2 \hat{\mathrm{i}}+\hat{\mathrm{j}}+4 \hat{\mathrm{k}}$
$\hat{C}=\frac{\overrightarrow{C}}{|C|}=\frac{-2 \hat{i}+\hat{j}+4 \hat{k}}{\sqrt{21}}$

Find unit vector perpendicular to $\vec A$ and $\vec B$ where $\vec A = \hat i - 2\hat j + \hat k$ and $\vec B = \hat i + 2\hat j$

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