If f(x)=3 x^3-9 x^2-27 x+15, then - Vidyadip

MCQ

If $f(x)=3 x^3-9 x^2-27 x+15$, then

A
f has maximum value 66
B
f has minimum value 30
✓
f has maxima at x = -1
D
f has minima at x = -1

✓

Answer

Correct option: C.

f has maxima at x = -1

(c) f has maxima at x = -1

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