X + Y is equals to 4 then X square + Y square is equals to how much
Answers
Answered by
0
(x + y) = 4
squaring both sides
x^2+y^2+2×x×y = 16
x^2+y^2 =16-2xy
squaring both sides
x^2+y^2+2×x×y = 16
x^2+y^2 =16-2xy
Similar questions