Question

If X+1 is a factor of x³¹+2x²⁰-k find k​

Answer 1

Answer:

k=1

Step-by-step explanation:

x+1

x=-1

so (-1)power 31 +2(-1)power 20 -k

-1+2-k=0

1-k=0

-k=-1

k=1

hope it helps