Mathematics
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nadia-liza
  • Member for 10 years
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  • Ukraine
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About

If my use of terms doesn't make sense, please correct me on every point, I joined this site to improve my mathematical knowledge and your criticism is welcome.

English is not my mother tongue, so please feel free to correct my answers and questions.

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All Questions Answers
Score Newest
question
23
Irreducible representations (over $\mathbb{C}$) of dihedral groups
Mar 10, 2014
answer
8
How do I prove $\cos(4A)= \cos^4A-6\cos^2A\sin^2A+\sin^4A$?
May 11, 2014
answer
8
Prove that $\lim_{x \to 0} \frac{\sin(\sin(x))}{x} = 1$
May 10, 2014
question
6
Prove that term of upper central series of a group $G$ is a characteristic subgroup of $G.$
Oct 28, 2015
answer
4
Proof that the number of diagonals of a polygon is $\frac{n(n-3)}{2} $
Feb 3, 2014
answer
3
no. and nature of roots of $x^{\frac{3}{4}(\log_{2}{x})^2 + \log_{2}{x} - \frac{5}{4}} = \sqrt{2}$
May 14, 2014
answer
3
Prove by induction $6\cdot 7^n -2\cdot 3^n$ is divisible by $4$ for $n\ge 1$
Jan 31, 2014
question
3
irrep of a non unit element in the finite group
Jan 4, 2014
answer
3
An identity involving the Pochhammer symbol
Jan 29, 2014
answer
3
Find $\lim_{x \to 0} \left( \frac{\ln (\cos x)}{x\sqrt {1 + x} - x} \right)$ efficiently
Jan 25, 2014

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