Question

Divide x^4-1 by x-1
Please solve fast

Answer 1

Refer to the above attachment:)

Answer 2

(x^4-1)/x-1

using property (a^2-b^2)=(a+b)(a-b)

(x^2+1)(x^2-1)/x-1

[(x^2+1)(x+1)(x-1)]/x-1

(x^2+1)(x+1)

x^3+x^2+x+1