Question

find the value of k, if x-1 is a factor of p(x) in each of the following cases.
P(x) = 4x3 + 5k + kx+1
​

Answer 1

x - 1 = 0

Therefore, x = 1

P(x) = 4x^3 + 5k + kx + 1

P(1) = 4 (1)^3 + 5k + k(1) + 1

4 + 5k + k + 1 = 0

5 + 6k = 0

6k = (-5)

Therefore, K = -(5/6)

Answer 2

Step-by-step explanation:

go to photo full answer is giving