AIEEE 2004 Math Solved Paper

Section: Mathematics

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Question : 16 of 68

Marks: +1, -0

If Sn=

n

∑

r=0

‌

1

‌nCr

and tn=

n

∑

r=0

‌

r

‌nCr

, then ‌

tn

Sn

is equal to

[AIEEE 2004]

‌
2n−1
2
‌
1
2
n−1
n−1
‌
1
2
n

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