1 - \frac{1}{3} + \frac{1}{5} - \frac{1}{7} + \frac{1}{9} - \dots = \frac{π}{4}

${1 - \frac {1} {3} + \frac {1} {5} - \frac {1} {7} + \frac {1} {9} - \ldots = \frac {\pi} {4}}$

Error