Question

When `2x^3 + x^2 - 3` is divided by x + 1, what is the remainder?

Answer 1

`"remainder "=-4`

Explanation:

`"using the "color(blue)"remainder theorem"`

`"the remainder when f(x) is divided by (x-a) is f(a)"`

`rArr(x+1)toa=-1`

`rArr2(-1)^3+(-1)^2-3=-4`

`"remainder "=-4`