Question

a+b=a/b+b/a, find a²+b²

Answer 1

a+b=a/b+b/a
a+b=(a^2+b^2)/ab
(a^2×b)+(b^2×a)=a^2+b^2


HOPE IT HELPS!!

Answer 2

(a+b)^2 is a^2 + b^2 + 2ab
a^2 + b^2 = (a+b)^2 - 2ab