1.

If x+1 is a factor of x^31 +2x^20- k ,find k​

Answer»

Step-by-step explanation:

LET,

x=-1,then

(-1)^31+2(1)^20-k

-31+2^20-k=0

-31+40-k=0

-31+40=I

k=9

I HOPE this answer HELPS you



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