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lim(x->0) (sin(nx)((a-n)nx – tanx))/x^2=...

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

A

`0`

B

`(n+1)/n`

C

`n`

D

`n+1/n`

Text Solution

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The correct Answer is:
C
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