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If 1/(1 xx 2) + 1/(2 xx 3) + 1/(3 xx 4)...

If `1/(1 xx 2) + 1/(2 xx 3) + 1/(3 xx 4) + ……….. + 1/(n(n+1)) = 99/100` then what is the value of n?

A

98

B

99

C

100

D

101

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