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xwb1989

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60 reputation
4
bio website
location China
age 23
visits member for 5 months
seen Feb 5 at 14:29
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60 reputation
 bio website visits member for 5 months
4 badges
 location China seen Feb 5 at 14:29
summary answers questions tags badges favorites bounties reputation activity

3 Questions

votes activity newest
5
 Can we prove $a^{\log_bn} = n^{\log_ba}$?
4
 What's wrong with $\sum_{i=0}^{\infty}x^i = \frac{1}{1-x}$
2
 How to show $n! = \omega\big((\frac{n}{3})^{n+e}\big)$?

60 Reputation

+20 What's wrong with $\sum_{i=0}^{\infty}x^i = \frac{1}{1-x}$
+25 Can we prove $a^{\log_bn} = n^{\log_ba}$?
+10 How to show $n! = \omega\big((\frac{n}{3})^{n+e}\big)$?

0 Answers

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7 Tags

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exponentiation
0
summation
0
logarithms
0
sequences-and-series
0
asymptotics
0
convergence
0
homework

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