Question

factorise a3-3ab2-2b3​

Answer 1

Step-by-step explanation:

ANSWER

a

3

−3a

2

b+3ab

2

−b

3

(a−b)

3

=a

3

−b

3

−3ab(a−b)

⇒a

3

−b

3

−3a

2

b+3ab

2

Compairing both polynomials we get,

∴a

3

−3a

2

b+3ab

2

−b

3

=(a−b)

3