Math, asked by bhandari2007abha, 6 months ago

If x + y = 7 and xy=5, then find the value
of

x2 + y2.

Answers

Answered by yagnadev

0

X+y=7 squaring on both sides
(X+y)^2=49
-

X^2+Y^2+2xXY=49
X^+Y^2+10=49
X^2+Y^2=39

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