Question

How do you find the remainder when `x^3+2x^2-19x-20` is divided by x-1?

Answer 1

Remainder is `-36`

Explanation:

If we divide a polynomial `f(x)` by `(x - h)`, then the remainder

is `f(h) ; f(x)= x^3+2 x^2 -19 x - 20 ; h=1`

`f(1)= 1^3+2* 1^2 -19 *1 - 20 = -36`

Remainder is `-36` [Ans]