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y=(x^(3))/(x^(2)+15) increases in...

`y=(x^(3))/(x^(2)+15)` increases in

A

R

B

`R^(+)`

C

`R^(-)`

D

`(-sqrt15, sqrt15)`

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The correct Answer is:
A
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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  18. if radius of a sphere is r with error delta r , and S is its surface ...

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