Question

simplify
a) (a²-b²)²
b) (m²-n²m²)+2m²n²​

Answer 1

Answer:

Given, (a

2

−b

2

)

2

Using , (a−b)

2

=a

2

−2ab+b

2

⇒(a

2

)

2

−2(a

2

)(b

2

)+(b

2

)

2

=a

4

−2a

2

b

2

+b

4