Question

if a=2,b=-2,find the value of: a2+b2​

Answer 1

a=2 , b= -2

2*2 + (-2)2

4 + (-4)

4 - 4=0

Answer 2

Step-by-step explanation:

(a2+b2)= a2+ b2+2ab

(a2+b2)= a2+b2+2×2×-2

(a2+b2)=-8