The projection of vector 2i + 3j - 2k on the vector i + 2j + 3k w… - Vidyadip

MCQ

The projection of vector $2i + 3j - 2k$ on the vector $i + 2j + 3k$ will be

A
$\frac{1}{{\sqrt {14} }}$
✓
$\frac{2}{{\sqrt {14} }}$
C
$\frac{3}{{\sqrt {14} }}$
D
$\sqrt {14} $

✓

Answer

Correct option: B.

$\frac{2}{{\sqrt {14} }}$

b
(b) $(2i + 3j - 2k).\frac{{(i + 2j + 3k)}}{{\sqrt {14} }} = \frac{2}{{\sqrt {14} }}.$

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