Question

x-y is 3,xy is 8 find x^2+y^2

Answer 1

Step-by-step explanation:

x - y = 3 -------(1)

xy = 8 -------(2)

समी.(1) का वर्ग करने पर

(x - y)² = (3)²

x² + y² -2xy = 9

x² + y² -16 = 9

x² + y² = 25

Answer 2

Step-by-step explanation:

x-y=3

xy=8

X²+y²=?

(x-y)² + 2xy

(3)²+2(8)=9+16

=25

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