Question

Factorisation of x^3+ 1 is

(a) (x + 1)(x^2– x + 1)
(b) (x + 1)(x^2 + x + 1)

(c) (x + 1)(x^2– x – 1)
(d) (x + 1)(x^2 + 1)​

Answer 1

Step-by-step explanation:

X³ + 1 = ( x + 1) ( x² - x + 1)

So,

option a is the correct answer

Answer 2

Step-by-step explanation:

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