Question

find the value of k if x minus 1 is a factor of p (x )is equal to x cube + 4 x square - 4 x + k​

Answer 1

Answer:

-3

Step-by-step explanation:

Let P(x)=4x3+3x2−4x+k

Given,  (x−1) is a factor of P(x)

x−1=0

x=1∴ p(1)=4×(1)2+3×(1)2−4×(1)+k=0

4+3−4+k=0

k+3=0

k=−3

Hence, the value of k is −3

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