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playground:playground [2011/01/11 05:28] ewg5 |
playground:playground [2015/01/19 10:51] (current) gibson |
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====== PlayGround ====== | ====== PlayGround ====== | ||
- | A sample post. | + | \begin{eqnarray*} |
+ | & & \frac{3}{4 \pi} \sqrt{4 \cdot x^2 12}\\ | ||
+ | & & \lim_{n \to \infty} | ||
+ | \sum_{k=1}^n \frac{1}{k^2} = \frac{\pi^2}{6}\\ | ||
+ | & & {\it f}(x) = \frac{1}{\sqrt{x} x^2}\\ | ||
+ | & & e^{i \pi} + 1 = 0\; | ||
+ | \end{eqnarray*} | ||
+ | |||
+ | $\sqrt[3]{7}$ |