Question

The value of k, if (x – 1) is a factor of 4x3 + 3x2 – 4x + k, is
(a) 1
(b) 2
(c) –3
(d) 3

Answer 1

Answer:

x-1=0,x =1

4(1)³+3(1)²-4(1)+k

4+3-4+k

7-4+k

3+k

k=-3 is your answer

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