Question

Find k if
1. (x-1) is a factor of p(x) = 4x power 3+ 3x power 2 - 4x + k
2. (x-1) is a factor of p(x) = xpower3 + 3x power 2+ kx + 6
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

first step is,

1. p(x)=x-1=

x=1

,4x^3+3x^2-4x+k

Now, 4(1)^3+3(1)^2-4(1)

+k

4+3-4+k

3+k=

k=-3

2. x-1=1

(1)+3(1)^2+k(1)+6

1+3+k+6=10+k

k=-10