If cos^(-1)""x/2+cos^(-1)""y/3=pi/6 , t...

If `cos^(-1)""x/2+cos^(-1)""y/3=pi/6` , then value of `x^2/4-(xy)/(2sqrt3)+y^2/9` a)`3/4`b)`1/2` c)`1/4` d)None of these

A

`3/4`

B

`1/2`

C

`1/4`

D

None of these

Verified by Experts

The correct Answer is:

C

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