Oliver Spryn
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# 23 Posts

 Dec 17 asked Show ${156 \choose 87} + {156 \choose 86} = {157 \choose 87}$ Nov 5 asked Combinatorics: When To Use Different Counting Techniques Oct 11 answered Pythagorean theorem: $A^2 + A^2 = C^2$ How to solve for $A$? Oct 11 asked How is $2 + e^{t^2} - e^{-t^2}$ Equal to $(e^t + e^{-t})^2$? Mar 14 asked Divide with remainder $\frac{x^2}{x^2 + x + 2}$ Mar 14 asked Equivalent to \begin{align}\int \cos{\left(2x\right)} \ dx\end{align}? Mar 12 asked Integration: How to Begin? Mar 12 asked Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work? Mar 4 asked Divide inside a Radical Mar 3 answered Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$ Mar 3 asked Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$ Mar 3 asked Choices for Integrationg by Parts Mar 2 asked Methodology for Integration by Parts Feb 24 asked Integrate $\csc^3{x} \ dx$ Feb 24 asked Integrating $\int \sin^n{x} \ dx$ Feb 10 asked Simplify $\sin^3{\left(\cot^{-1}{\left(x\right)}\right)}$ Feb 2 asked Simplifying Square Roots with Fractions? Jan 29 asked Graph of a Log Function Jan 29 answered Plot Y-Range on Mathematica Jan 29 asked Plot Y-Range on Mathematica