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If f(x)=2x^(3)-21x^(2)+36x-30, then whic...

If `f(x)=2x^(3)-21x^(2)+36x-30`, then which one of the
following is correct?

A

(a) f(x) has minimum at x=1

B

(b) f(x) has maximum at x=6

C

(c) f(x) has maximum at x=1

D

(d) f(x) has no maxima or minima

Text Solution

Verified by Experts

The correct Answer is:
C
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