Question

verify the identity (a+b)2=a2+2ab +b2 geometrically by taking a=3 units b=2 units
​

Answer 1

To prove:- (a+b)²=a²+2ab+b²

Proof:- a=3,b=2

(3+2)²= (3+2)(3+2)

3(3+2)+2(3+2)

9+6+6+4

(3)²+12+(2)²

(3)²+2×2×3+(2)²

(a)²+2ab+(b)²

Hence,Proved