Question

Factorise a³+b³+ 3ab² + За²b-a-b​

Answer 1

Answer:

a3−3a2b+3ab2−b3

(a−b)3=a3−b3−3ab(a−b)

⇒a3−b3−3a2b+3ab2

Compairing  both polynomials we get,

∴a3−3a2b+3ab2−b3=(a−b)3

Answer 2

Answer:

The above answer is correct...mark it as brainliest:))