If a,b and c are three consecutive posi...

If ` a,b` and `c` are three consecutive positive integers such that `1/(a!)+1/(b!)=lambda/(c!)` then the value of `lambda`;

A

`a`

B

`b`

C

`(b+1)^2`

D

`a+b+c`

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The correct Answer is:

C

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