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If S(n) = underset (r=0) overset( n) ...

If `S_(n) = underset (r=0) overset( n) sum (1) /(""^(n) C_(r))` and `T_(n) = underset(r=0) overset(n) sum (r )/(""^(n) C_(r))` then ` (t_(n))/(s_(n))` =

A

`1/4 n `

B

`1/3 n`

C

`1/3 n`

D

`n`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-BINOMIAL THEOREM-EXERCISE - II
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