Question

Without actual division prove that (x + 1) and (x - 2) 1 are factors of x ^ 3 + x ^ 2 - 4x - 4​

Answer 1

Step-by-step explanation:

To prove : x^4 + 2x^3 - 2x^2 + 2x - 3 is exactly divisible by x^2 + 2x - 3 Proof :Let, p(x) = x^4 + 2x^3 - 2x^2 + 2x - 3 And, g(x) = x^2 + 2x - 3 Then