Mathematics
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Ilya Stokolos
  • Member for 2 years, 11 months
  • Last seen this week
  • Ukraine
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204
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All Questions Answers
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question
8
Prove that if $x$ is odd, then $x^2$ is odd
Jul 30, 2019
answer
8
Terence Tao–type books in other fields?
Jul 25, 2019
question
8
Examples of the events for which we cannot assign "meaningful" probabilities
Apr 27, 2020
answer
7
Is it valid to use operations on both sides before inequality is proven?
Apr 16, 2020
question
7
Prove $1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+...+\frac{1}{2n-1}-\frac{1}{2n}=\frac{1}{n+1}+\frac{1}{n+2}+\frac{1}{n+3} +...+\frac{1}{2n}$ [duplicate]
Nov 16, 2019
question
6
Prove that if $x \in \mathbb R$ and $x>2$ then $y+ \frac{1}{y} = x$ will have real solution.
Jul 27, 2019
question
6
Show that power set is a set.
Aug 19, 2020
question
5
Solve $\frac{1}{x}\cdot \cos x + \ln x \sin x = 0$
Aug 21, 2019
question
5
Prove that the reduced row echelon form (rref) of an $n$ by $n$ matrix either is the identity matrix 𝐈 or contains at least one row of zeroes.
Sep 5, 2019
question
4
Prove that $(\mathbf{AB})^{T} = \mathbf B^{T}\mathbf A^{T}$ where $\mathbf A$ and $\mathbf B$ are matrices
Sep 2, 2019
Top network posts
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12
Algorithm that spans orthogonal vectors: Python
12
Python algorithm that converts array-like data into MathJax
6
Algorithm that generates orthogonal vectors: C++ implementation
5
Project Euler problem #112
5
Hypothetical in-game shop: Python

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