Question

(a - b)2 + (a? + b2)2​

Answer 1

Answer:

Step-by-step explanation:

(a-b)² + (a+b)²

a²+b²-2ab + a²+b² +2ab

2a²+2b²

2(a²+b²)

Answer 2

Answer:

(a-b)2 + (a + b)2

a2 + b2 - 2 ab + a2 + b2 + 2ab

2ab cancelled

2( a2 + b2 )