Q. 25.0( 6 Votes )

If x3 A. -6

B. -7

C. -8

D. -10

Answer :

Since, x+2 is exactly divisible by f(x)

Means x+2 is a factor of f (x), so


f (-2) = 0


(-2)3 + 6 (-2)2 +4 (-2) + k = 0


-16 + 24 + k = 0


k= - 8

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