Question

Factorise the following a cube +1​

Answer 1

Answer:

Step-by-step explanation:

a³-1 can be written as a³-(1)³

From identity x³-y³=(x-y)(x²+y²+xy)

So put the values of X=a

Y=1

(a-1)(a²+1²+a(1))

(a-1)(a²+1²+a) ANSWER