(1)/(1.2.3)+(1)/(2.3.4)+(1)/(3.4.5)+(1)/...

`(1)/(1.2.3)+(1)/(2.3.4)+(1)/(3.4.5)+(1)/(4.5.6)` बराबर है-

A

`(17)/(30)`

B

`(13)/(30)`

C

`(11)/(30)`

D

`(7)/(30)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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