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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 the value of `a - b` is

A

`"cot" pi/8`

B

`"cot" (5pi)/12`

C

`"tan" (5pi)/12`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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