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Lt(x to oo) ((1)/(a(a+d))+(1)/((a+d)(a+...

`Lt_(x to oo) ((1)/(a(a+d))+(1)/((a+d)(a+2d))+.....+(1)/([a+(n-1)d][a+nd]))=`

A

`(1)/(a)`

B

`(1)/(d)`

C

`(1)/(ad)`

D

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Text Solution

Verified by Experts

The correct Answer is:
C
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