Question

Factorisation of x3+ 1 is​

Answer 1

x³+1

( 1 can be Expressed as 1³)

→ x³+1³

[ Use identity -

x³+y³ = (x+y)(x²-xy+y²]

→ (x+1)(x²-x(1)+1²)

→ (x+1)(x²-x+1)

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