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(Created page with "<math> f(x)=x^2</math> <math>\sum_{m=1}^\infty\sum_{n=1}^\infty\frac{m^2 n}{3^m\left(m 3^n + n 3^m\right)}</math> <br> <math>|\bar{z}| = |z|, |(\bar{z})^n| = |z|^n, \arg(z^n) = n \arg(z)</math> <br> <math>f(x) = \begin{cases} 1 & -1 \le x < 0 \\ \frac{1}{2} & x = 0 \\ 1 - x^2 & \text{otherwise} \end{cases}</math> center|thumb|testing") |
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<math> f(x)=x^2</math> | <math> f(x)=x^2</math> | ||
<br> | |||
<math>\sum_{m=1}^\infty\sum_{n=1}^\infty\frac{m^2 n}{3^m\left(m 3^n + n 3^m\right)}</math> | <math>\sum_{m=1}^\infty\sum_{n=1}^\infty\frac{m^2 n}{3^m\left(m 3^n + n 3^m\right)}</math> | ||
<br> | <br> | ||
<math>|\bar{z}| = |z|, | <math>|\bar{z}| = |z|, | ||
|(\bar{z})^n| = |z|^n, | |(\bar{z})^n| = |z|^n, | ||
\arg(z^n) = n \arg(z)</math> | \arg(z^n) = n \arg(z)</math> | ||
<br> | <br> | ||
<math>f(x) = | <math>f(x) = |