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If the function f(x)=x^(3)-3ax has a loc...

If the function `f(x)=x^(3)-3ax` has a local minimum at `x=lambda(lambda ge 4)` and `a in [10, 18]`, then the sum of all the possible integral values of a is

A

50

B

112

C

51

D

16

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The correct Answer is:
C
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