Alyosha

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61 Posts

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2d
 answered What's the difference between $\frac{dy}{dx}$ and $dy$?
Jun
15
 answered $a^{\log_b(c)} = c^{\log_b(a)}$
Jun
8
 answered Equation Calculating what Day it is
Jun
7
 asked Why does $\arctan(x)= \frac{1}{2i}\log \left( \frac{x-i}{x+i}\right)+k$?
Jun
5
 asked Cauchy inequality $\Rightarrow$ Schwarz's integral inequality. Why can't the limit of the prior be used to deduce the latter?
Jun
5
 answered How to show that $\int_{a}^{b}\left \lfloor x \right \rfloor dx+ \int_{a}^{b}\left \lfloor -x \right \rfloor dx=a-b$?
Jun
3
 answered Does Euler totient function gives exactly one value(answer) or LEAST calculated value(answer is NOT below this value)?
Jun
3
 answered Extreme values of a function with conditions
Jun
3
 answered Finding all the solutions to a complex equation
Jun
3
 answered Integrality of $\frac{n}{3} + \frac{n^2}{2} + \frac{n^3}{6}$
May
21
 answered How can you prove Euler's phase angle formula for differential equations?
May
19
 answered For what $n$ and $m$ is this number a perfect square?
May
18
 answered A limit on binomial coefficients
May
9
 answered Optimal Basic Feasible Solutions
May
5
 answered Finding the centre of mass? What axis does the centre of mass lie on?
May
2
 answered Revisted: GCD - $(a,c)=1=(b,c) \overset{?}{\implies} (ab,c)$
Apr
27
 answered How to show that $p!+1\equiv 1 \mod k$
Apr
21
 asked Combinatorics pigeonhole probems
Apr
18
 asked What's the lowest real $x$ such that $\zeta(x)$ converges?
Apr
9
 asked Where is the mistake in my integration of $\sin^{2n}(\theta)$?
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