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f(x)=3x^(4)-4x^(3)+6x^(2)-12x+12 decreas...

`f(x)=3x^(4)-4x^(3)+6x^(2)-12x+12` decreases in

A

`(1, infty)`

B

`(- infty, -1) uu(-1, 3)`

C

`(- infty, 1)`

D

none of these

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The correct Answer is:
C
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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