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If f(x)=pi((sqrt(x+7)-4)/(x-9)) then the...

If `f(x)=pi((sqrt(x+7)-4)/(x-9))` then the range of function `y = sin(2 f(x))` is :

A

`[0,1]`

B

`(0,(1)/(sqrt(2))]`

C

`(0,(1)/(sqrt(2)))uu(1/(sqrt(2)),1]`

D

`(0,1]`

Text Solution

Verified by Experts

The correct Answer is:
C
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