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If y = (x^(4)-x^(2)+1)/(x^(2)+sqrt(3)x+...

If `y = (x^(4)-x^(2)+1)/(x^(2)+sqrt(3)x+1)` and `(dy)/(dx)=ax+b` , then a - b = ?

A

`"cot"(pi)/(12)`

B

`"cot"(5pi)/(12)`

C

`"tan"(5pi)/(12)`

D

`"tan"(5pi)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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