If the xy= x^2+y^2 value of [(1)(2 2)][(1)(-2 2)] is: - Vidyadip

MCQ

If the $\text{xy}=\sqrt{\text{x}^2+\text{y}^2}$ value of $[(1)(2\sqrt2)][(1)(-2\sqrt2)]$ is:

✓
$9$
B
$0$
C
$-7$
D
$2$

✓

Answer

Correct option: A.

$9$

$9$

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