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lim(x to 0) ("sin" (nx)((a - n)nx - tan...

`lim_(x to 0) ("sin" (nx)((a - n)nx - tanx))/(x^(2)) = 0` when n is a non-zero positive integer,then a equal to ________

A

`(n + 1)/(2)`

B

`n^(2) + 1`

C

`(1)/(n + 1)`

D

`n + (1)/(n)`

Text Solution

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The correct Answer is:
D
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