यदि cos^(-1)((2)/(3x))+cos^(-1)((3)/(4x)...

यदि `cos^(-1)((2)/(3x))+cos^(-1)((3)/(4x))=(pi)/(2)` जहाँ `(xgt(3)/(4))`, तो बराबर है :

A

`(sqrt(145))/(12)`

B

`(sqrt(146))/(12)`

C

`(sqrt(145))/(11)`

D

`(sqrt(145))/(10)`

Verified by Experts

The correct Answer is:

A

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