If x3 + 6x2 + 4x + k is exactly divisible by (x + 2), then the value of k is :
Option:
A. - 6
B. - 7
C. - 8
D. - 10
Answer: C . - 8
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Justification:
Since (x + 2) is a factor, x = -2 will make it zero
.`. (-2)3 + 6(-2)2 + 4(-2) + k = 0 or k = -8.
