Home
Class 12
MATHS
Let f (n) =sum(r=1)^n r^2 Cr^2.Then, f ...

Let `f (n) =sum_(r=1)^n r^2 C_r^2`.Then, `f (5) =`

Promotional Banner

Similar Questions

Explore conceptually related problems

Let T_(n) = sum_(r=1)^(n) (n)/(r^(2)-2r.n+2n^(2)), S_(n) = sum_(r=0)^(n)(n)/(r^(2)-2r.n+2n^(2)) then

If f (n) = sum_(s=1)^n sum_(r=s)^n "^nC_r "^rC_s , then f(3) =

Find the sum sum_(r=1)^n r^2(^n C_r)/(^n C_(r-1)) .

Let f(1)=1 and f(n)=2 sum_(r=1)^(n-1)f(r) then sum_(n=1)^(m)f(n)=

If f(x)=sum_(r=1)^(n) { r^(2) (""^(n)C_(r)- ^(n) C_(r-1))+ (2r+1) ^(n) C_(r)} and f(30)=30(2)^(lambda), then the value of lambda is

If f(x)=sum_(r=1)^(n) { r^(2) (""^(n)C_(r)- ^(n) C_(r-1))+ (2r+1) ^(n) C_(r)} and f(30)=30(2)^(lambda), then the value of lambda is

If f(n) = sum_(r=1)^n [r^2(nC_r-nC_(r-1))+(2r+1)nC_r], then f(50) is

If f(n) = sum_(r=1)^n [r^2(nC_r-nC_(r-1))+(2r+1)nC_r], then f(50) is