Question

The product (x²−1) (x⁴ + x² + 1) is equal to

(a) x⁸ − 1

(b) x⁸ + 1

(c) x⁶ − 1

(d) x⁶ + 1

Answer 1

We have to find the product of

Using identity

Here

Hence the product value of is

The correct alternate is .