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The length of a longest interval in whic...

The length of a longest interval in which the function `f(x)= 3 sin x - 4 sin^(3)x ` is increasing, is-

A

`(pi)/(2)`

B

`(pi)/(3)`

C

` pi `

D

`(3pi)/(2)`

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 6
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