Question

If a + b whole square is equal to 2 a square + 2 b square then show that a is equal to b

Answer 1

hopefully it helps you....

Answer 2

Answer:

Step-by-step explanation:

Given that

(a+b)² = 2a² + 2b²

a²+2ab+b² = 2a² + 2b²

2ab = a² + b²

a² -2ab + b² = 0

(a-b)² = 0

taking square root on both sides,

a - b = 0

a = b

Hence, proved.