If Sigma(0)^(n=1)(r+2)/(r+1)= prod-(r=10...

If `Sigma_(0)^(n=1)(r+2)/(r+1)= prod-(r=10)^(99)log_(r)(31)`, lies two successive integers whose sum is equal to

A

5

B

7

C

9

D

100

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The correct Answer is:

B

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