1.

(C_0)/(2)+(C_1)/(6)+(C_2)/(12)+…..+ (C_n)/((n+1)(n+2))=

Answer»

`(2^(n+2) -1)/((n+1)(n+2))`
`(2^(n+2)+n+1)/((n+1)(n+2))`
`(2^(n+2)-n-3)/((n+1)(n+2))`
`(2^(n+1)+n+3)/((n+1)(n+2))`

ANSWER :C


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