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underset(x rarr 0)lim ((1-cos 2x) (3+cos...

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

A

`-(1)/(4)`

B

`(1)/(2)`

C

1

D

2

Text Solution

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The correct Answer is:
D
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Knowledge Check

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  • underset(x to 0)"Lt" (1-cos4x)/x^2 =

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    B
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    C
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    D
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