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The extremum values of the function f(x)...

The extremum values of the function `f(x)=1/(sinx+ 4)-1/ (cosx-4)`, where `x in R`

A

`(4)/(8-sqrt(2))`

B

`(2sqrt(2))/(8-sqrt(2))`

C

`(2sqrt(2))/(4sqrt(2)+1)`

D

`(4sqrt(2))/(8+sqrt(2))`

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ARIHANT MATHS-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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