Home
Class 11
MATHS
If s(n)=sum(r=0)^(n)(1)/(.^(n)C(r))and t...

If `s_(n)=sum_(r=0)^(n)(1)/(.^(n)C_(r))and t_(n)=sum_(r=0)^(n)(r)/(.^(n)C_(r))`, then `(t_(n))/(s_(n))` is equal to

A

`(2n-1)/(2)`

B

`(1)/(2) n-1`

C

`n-1`

D

`(1)/(2)n`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

If S_(n)=sum_(r=0)^(n)(1)/(nC_(r)) and sum_(r=0)^(n)(r)/(nC_(r)), then (t_(n))/(S_(n))=

If a_(n)=sum_(r=0)^(n)(1)/(*^(n)C_(r)), the value of sum_(r=0)^(n)(n-2r)/(n^(n)C_(r))

If a_(n) = sum_(r=0)^(n) (1)/(""^(n)C_(r)) , find the value of sum_(r=0)^(n) (r)/(""^(n)C_(r))

If s_(n)=sum_(r