Question

given x+y =13 and xy = 22 , find the value of x to the power 2 + y to the power 2​

Answer 1

Step-by-step explanation:

x+y=13

xy=22

Squaring bothside weget

.

(x+y)

2

=13

2

x

2

+y

2

+2xy=169..

Putting the value of xy in

x

2

+y

2

+2×22=169

x

2

+y

2

=144−44x

2

+y

2

Answer 2

Answer:

answer shown in figure

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