If |a|=3,|b|=4, then the value of for which a+ b is perpendicular… - Vidyadip

MCQ

If $|\bar{a}|=3,|\bar{b}|=4$, then the value of $\lambda$ for which $\bar{a}+\lambda \bar{b}$ is perpendicular to $\bar{a}-\lambda \bar{b}$, is

A
$\frac{9}{16}$
✓
$\frac{3}{4}$
C
$\frac{3}{2}$
D
$\frac{4}{3}$

✓

Answer

Correct option: B.

$\frac{3}{4}$

$\frac{3}{4}$

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