Question

find the value of k, if x-1 is a factor of p (x) p(x)=x^3+8x^2-kx -2​

Answer 1

Answer:

if x-1 is factor then p(1)=0

right

so p(1)=(1)+8(1)-k(1)-2=0

1+8-k-2=0

9-2=k

k=7

hope it helps..