Mathematics
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ryang
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Score Newest
question
25
Proof that no permutation can be expressed both as the product of an even number of transpositions and as a product of an odd number of transpositions
Dec 27, 2011
answer
20
Extra solutions when solving $\sin\theta+\cos\theta=\sqrt{2\sin2\theta}$
Sep 27, 2021
question
19
The definition of locally Lipschitz
Oct 8, 2013
question
18
Relation between cross-product and outer product
Aug 13, 2012
question
14
An inequality from Littlewood's Miscellany
Jun 11, 2013
answer
14
If x = 1, then x + 1 = 5. Is it a logical proposition?
Aug 24, 2021
answer
13
What is wrong with the following u-substitution?
Nov 13, 2017
question
12
A non-square matrix with orthonormal columns
Aug 14, 2012
answer
10
If instantaneous rates of change aren't that rigorous, how correct is the usage of instantaneous rates of change (like velocity) by physicists?
Oct 7, 2021
question
10
Relation between Interior Product, Inner Product, Exterior Product, Outer Product..
Aug 13, 2012
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Is there a virtue to learning how to compute by hand?
8
Sunscreen protection, SPF, and amount applied: relationship?
8
What does vaccine efficacy mean?
7
Difficulty in explaining sample space
7
Questions about proofs

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