Let `f : N rarr R` be a function such that `f(1) + 2f(2) + 3f(3) + ....+nf(n)= n(n+1) f(n)`, for `n ge 2` and f(1) = 1 then

Let f:N rarr R be a function such that (ii) f(1)+2f(2)+3f(3)+.........+nf(n)=n(n+1)f(n)=n(n+1)f(n)AA n>=2 Then find f(2011)

Let f:N rarr R be such that f(1)=1 and f(1)+2f(2)+3f(3)+…+nf(n)=n(n+1)f(n), for n ge 2, then (2010f(2010)) is ……….. .

Let f:N rarr R be such that f(1)=1 and f(1)+2f(2)+3f(3)+…+nf(n)=n(n+1)f(n), for n ge 2, " then " (2010f(2010)) is ……….. .

Let f be a function from the set of positive integers to the set of real number i.e f : N rarr R , such that f(1) + 2f{2} + 3f{3} + ….. + nf{n} = n(n + 1) f(n) for n ge 2 Then the of 1/f(4) must be

Let f:N rarr R be such that f(1)=1 and f(1)+2f(2)+3f(3)+…+nf(n)=n(n+1)f(n), for n ge 2, " then " /(2010f(2010)) is ……….. .

Let f:N rarr R be such that f(1)=1 and f(1)+2f(2)+3f(3)+…+nf(n)=n(n+1)f(n), for n ge 2, " then " /(2010f(2010)) is ……….. .

Let f : N rarr N be a function such that f(m + n) = f(m) + f(n) for every m, n in N . If f(6) = 18 , then f(2).f(3) is equal to :

f:N to R is given by f(1)=1 and f(1)+2f(2)+3f(3)+……+nf(n)=n(n+1) f(n) , for n ge 2 , then f(1994)=

Let f: N to R be a function satisfying the condition f(1) + f(2) ……………. +f(n) = n^(2) f(n) AA n in N If f(2025) = 1/(2026) , then f(1) = ………….

If f(1)=1, f(n+1)=2f(n)+1, n ge1 , then f(n) is