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Let f:NrarrR be such that f(1)=1and f(1)...

Let `f:NrarrR` be such that `f(1)=1`and
`f(1)+2f(2)+3f(3)+......+nf(n)=n(n+1)f(n)` for all `n in N` , `nge2` , where `N` is the set of natural numbers and `R` is the set of real numbers . Then the value of (500) is

A

1000

B

500

C

`1/500`

D

`1/1000`

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PATHFINDER-FUNCTION-QUESTION BANK
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