Question

X+Y=15 and XY=56 then what is the value of (X)^2 + (Y)^2​

Answer 1

Step-by-step explanation:

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Answer 2

hey mate here is your answer

(x+y)^2= x^2+ y^2 +2xy

(15)^2= x^2+ y^2 +2×56

225= x^2+ y^2 +112

so, x^2+ y^2 = 225-112

therefore

x^2+ y^2 = 113