The projection of vector a=i+2 j+k on vector b=2 i+3 j+2 k is ___… - Vidyadip

MCQ

The projection of vector $\bar{a}=\hat{i}+2 \hat{j}+\hat{k}$ on vector $\bar{b}=2 \hat{i}+3\hat{ j}+2 \hat{k}$ is ___________ .

A
$\frac{10}{\sqrt{6}}$
B
$\frac{\sqrt{10}}{6}$
C
$\frac{\sqrt{10}}{17}$
✓
$\frac{10}{\sqrt{17}}$

✓

Answer

Correct option: D.

$\frac{10}{\sqrt{17}}$

D

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