Question

if y=-1 is a zero of the polynomial q (y)=4y³+ky²-y-1,then find the value of k​

Answer 1

Step-by-step explanation:

Given,

4y³+ky²-y-1

-1 is zero Of polynomial

so,

4(-1)³+k(-1)²-(-1)-1=0

4(-1)+k+1-1=0

-4+k=0

k=4

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Answer 2

Answer:

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