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The length of the longest interval in wh...

The length of the longest interval in which the function `3 sin x - 4 sin^(3) x` is increasing is a)`(pi)/(3)` b)`(pi)/(2)` c)`(3 pi)/(2)` d)`pi`

A

`(pi)/(3)`

B

`(pi)/(2)`

C

`(3 pi)/(2)`

D

`pi`

Text Solution

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The correct Answer is:
A
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