Mathematics
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evinda
  • Member for 10 years, 7 months
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All Questions Answers
Score Newest
answer
52
Limit of $(1+ x/n)^n$ when $n$ tends to infinity
Jul 30, 2014
answer
16
Why doesn't Fermat's Little theorem work for 4 and 9?
Aug 3, 2014
question
14
Solution of $y''+xy=0$
Mar 19, 2015
answer
11
What is meant by "m|n"? Two letters separated by a vertical bar (|)
Jul 24, 2014
question
10
Ring of the integer $p$-adic numbers $\mathbb{Z}_p$
Oct 13, 2014
question
9
Show that $\sup(A \cup B)=\max\{\sup A,\sup B\}$
Feb 7, 2014
question
8
Find the last two digits of $9^{{9}^{9}}$ [duplicate]
Jun 21, 2014
answer
8
Finding the limit of a trigonometric function $\lim_{x \to \frac{\pi}{2}} \frac{\sin^2x-1}{\sin x-1}$
Aug 23, 2014
answer
8
How can I prove that $\frac{\sigma(n)}{n} = \sum_{(d|n)} \frac{1}{d}$ for every $n \in \mathbb{Z^{+}}$?
Apr 9, 2014
question
7
Find solutions of the differential equation $3x^2y''+5xy'+3xy=0$.
Mar 23, 2015

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