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underset(x to 0)"Lt" ((1-cos 2x)(3+cos x...

`underset(x to 0)"Lt" ((1-cos 2x)(3+cos x))/(x tan 4x ))` is equal to

A

1

B

2

C

`-1//4`

D

`1//2`

Text Solution

Verified by Experts

The correct Answer is:
B
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