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The number of critical points of f (x)=...

The number of critical points of `f (x)= (int _(0) ^(x) (cos ^(2) t- ""^(3) sqrtt)dt)+3/4 x ^(4//3)-(x+1)/(2)` in ` (0, 6pi]` is:

A

10

B

8

C

6

D

12

Text Solution

Verified by Experts

The correct Answer is:
D
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