Question

Q. 24
24. (x+1)(x-1)(x2+1) is equals to
Option A
X2-1
Option B
X4+1
Option
X4-1
Option D
2x2​

Answer 1

Answer:

(x+1)(x−1)(x2+1)

as (a+b)(a−b)=a2−b2

=(x2−1)(x2+1)

=x4−1

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