Question

what is the formula of a^2+b^2​

Answer 1

hlooo...

Ur answer...

a^2+2ab+b^2

hope it helps u ✌✌

Answer 2

Answer:

We know,

a2+2ab+b2=(a+b)2−−−−−i

So, a2+b2=(a+b)2−2ab

Again we know,

a2−2ab+b2=(a−b)2−−−−−ii

So, a2+b2=(a−b)2+2ab

By addition i and ii we get,

a2+2ab+b2+a2−2ab+b2=(a+b)2+(a−b)2

2(a2+b2)=(a+b)2+(a−b)2

a2+b2=((a+b)2+(a−b)2))/2

a2+b2=(a+b)^2-2ab