Oliver Spryn
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 Dec 17 accepted Show ${156 \choose 87} + {156 \choose 86} = {157 \choose 87}$ Nov 5 accepted Combinatorics: When To Use Different Counting Techniques Oct 11 accepted How is $2 + e^{t^2} - e^{-t^2}$ Equal to $(e^t + e^{-t})^2$? Mar 15 accepted Divide with remainder $\frac{x^2}{x^2 + x + 2}$ Mar 14 accepted Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work? Mar 14 accepted Equivalent to \begin{align}\int \cos{\left(2x\right)} \ dx\end{align}? Mar 14 accepted Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$ Mar 4 accepted Divide inside a Radical Mar 3 accepted Choices for Integrationg by Parts Mar 2 accepted Methodology for Integration by Parts Feb 24 accepted Integrating $\int \sin^n{x} \ dx$ Feb 24 accepted Integrate $\csc^3{x} \ dx$ Feb 10 accepted Simplify $\sin^3{\left(\cot^{-1}{\left(x\right)}\right)}$ Feb 2 accepted Plot Y-Range on Mathematica Feb 2 accepted Simplifying Square Roots with Fractions? Jan 30 accepted Graph of a Log Function Jan 27 accepted Differentiate an Inverse Function, Two Methods? Jan 26 accepted Find the absolute maxmium of the function $f(x) = x \cdot {e}^{-x}$ Jan 24 accepted How to Determine if a Function is One-to-One