Question

If x =-2 and y = 2, the value of x² + y² is ....

8

0

-4
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Answer 1

Answer:

=X= 2, Y=2

=x2+Y2

=2*2+2*2

=4+4

=8

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Answer 2

Answer:

Given :-

x = -2

y = 2

To Find :-

x² + y²

Solution :-

Let's put the value

$\sf \: { - 2}^{2} + {2}^{2}$

Note : (- × - = +)

$\sf \: ( - 2 \times - 2) + (2 \times 2)$

$\sf \: 4 + (2 \times 2)$

$\sf \: 4 + 4$

$\sf \: {x}^{2} + {y}^{2} = 8$

Hence :-

Value of x² + y² = 8