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Let y = (x^8 + x^4 + 1)/(x^4 + x^2 + 1)....

Let `y = (x^8 + x^4 + 1)/(x^4 + x^2 + 1)`. If `(dy)/(dx) = ax^3 + bx` . Then

A

`a = 4, b = 2`

B

`a = 4, b = -2`

C

`a = -2, b = 4`

D

`a = 2, b = -4`

Text Solution

Verified by Experts

The correct Answer is:
D
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