Question

Find the value of k, if (x – 1) is a factor of following
4x*x*x +3x*x-4x+k

Answer 1

Answer:

Let P(x)=4x

3

+3x

2

−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.

Answer 2

Answer:

k=-3

Step-by-step explanation:

For Explanation, Refer to the Attachment.

I hope it helps.

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