Question

if 2(a^2+b^2)= (a+b)^2 , then :
a) a+b = 0
b) a=b
c) 2a=b
d)ab=0​

Answer 1

Answer:

b) a = b

Step-by-step explanation:

2a² + 2b² = a² + b² + 2ab

2a² - a² + 2b² - b² = 2ab

a² + b² = 2ab

a² + b² - 2ab = 0

(a - b)² = 0

Taking square roots on both the sides

a - b = 0

a = b

Hope it helps!!!