Question

If (x - 1) is a factor of x4 + k x3 + 2 x2-1, find the value of k​

Answer 1

Answer:

k = -2

Step-by-step explanation:

Please find the attached image.

Answer 2

Answer: -4/3

Step-by-step explanation: if x-1=0

Than x=1

Now , p(x)=x4+3k+4-1

=1 +3k+3

=4+3k

Than 4+3k =0

K=-4/3.