Question

add
a² + b² and e-b² and d + c²​

Answer 1

Step-by-step explanation:

1)Formulafora

2

+b

2

=(a+b)

2

−2ab

Or

=(a−b)

2

+2ab

2) Formulafora

2

−b

2

=(a+b)(a−b)

hope it may help you