Given-that-x-2-y-2-73-and-xy-12-find-the-value-of-x-y-2-

Question Number 150299 by otchereabdullai@gmail.com last updated on 10/Aug/21

Given that x^{2} + y^{2} = 73 and xy = 12,

find the value of {(x + y)}^{2}

Answered by cherokeesay last updated on 10/Aug/21

x^{2} + y^{2} + 2 x y = {(x + y)}^{2} = 73 + 24 = 97

Commented by otchereabdullai@gmail.com last updated on 10/Aug/21

Thank you sir!

Answered by puissant last updated on 11/Aug/21

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

\Rightarrow {(x + y)}^{2} = 73 + 24 = 97 . .

Facebook Tweet Pin