Math, asked by hprathore, 1 year ago

if x+y=-4 & xy=2 then find x^2+y^2​

Answers

Answered by kangdaniel
4

(x+y)²=(-4)²

x²+2xy+y²=16

x²+y²=16-(2*2)

x²+y²=16-4

x²+y²=12

Similar questions