Question

a^2+b^2
please answer​

Answer 1

it can be expressed in two ways:

1) (a + b)² -2ab

2) (a-b)² + 2ab

♡Hope it helps♡

Answer 2

Answer:

Step-by-step explanation:

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

Therefore

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