Question

Find the value of ²y + ³
when x = 3, y = -2 .

Answer 1

Answer:

From the picture we have x=2+

3

and y=2−

3

.

Then,

x

2

+y

2

={4+3+2

3

}+{4+3−2

3

}

=7+7

=14.

solution