underset(xto0)lim(x^(4)(cot^(4)x-cot^(2)...

`underset(xto0)lim(x^(4)(cot^(4)x-cot^(2)x+1))/((tan^(4)x-tan^(2)x+1))` is equal to

A

1

B

0

C

2

D

None of these

Verified by Experts

The correct Answer is:

A

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