If =4 and .b =2 then a ^2 b ^2 is equal to: - Vidyadip

MCQ

If $\mid\text{a}\times\text{b}\mid=4$ and $\mid\text{a.b}\mid=2$ then $\mid{\text{a}}\mid^2\mid{\text{b}}\mid^2$ is equal to:

A
$4$
B
$6$
✓
$20$
D
$2$

✓

Answer

Correct option: C.

$20$

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