Question

If x + y = 15 , xy =16 , then x^2 + y^2 =___

Answer 1

Answer:

X+Y=8

SQUARING BOTH SIDES

(X+Y)^2=(8)^2

X^2+Y^2+2XY=64

X^2+Y^2+2×15=64

X^2+Y^2+30=64

X^2+Y^2=64-30

X^2+Y^2=34 ANSWER

Answer 2

Answer:

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