Mathematics
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wlad
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(Formerly Ogogmad. Wlad is not my real name.)

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All Questions Answers
Score Newest
answer
26
How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
Apr 11, 2015
question
22
Can $e^x$ be expressed as a linear combination of $(1 + \frac x n)^n$?
Aug 14, 2019
answer
20
Unexpected examples of natural logarithm
Jul 6, 2017
answer
17
When is $32x+32$ a square number?
Jun 15, 2015
answer
16
Are all continuous one one functions differentiable?
Apr 14, 2015
answer
15
A freshman's dream
Apr 17, 2015
question
11
Why is something not a field if it's a proper class?
Apr 30, 2015
answer
9
Different ways finding the derivative of $\sin$ and $\cos$.
Sep 26, 2015
question
9
Why does the plot of the legendre symbol of $x^2 - y^2$ over a finite field look rectangular
Jun 10, 2015
answer
9
Are there mathematical objects that have been proved to exist but cannot be described in words?
May 16, 2015
Top Meta posts
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16
highest-common-factor $\cong$ greatest-common-divisor
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74
Pyspark: Convert column to lowercase
56
Pyspark: Convert column to lowercase
55
Proof of convergence of k-means
36
Listing applications of the SVD
34
Why aren't zero-knowledge proofs used in practice for authentication?

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