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For all ngeq1, prove that 1/(1. 2)+1/(2....

For all `ngeq1`, prove that `1/(1. 2)+1/(2. 3)+1/(3. 4)+dotdotdot+1/(n(n+1))=n/(n+1)`

A

`n/(n+1)`

B

`1/(n+1)`

C

`1/(n(n+1))`

D

None of these

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A
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