# How to find the radius of convergence

Input |
---|

convergence conditions | sum_n^infinity x^n |

Interval of convergence |

{x: abs(x)<1} |

Inequality plot |

| | abs(x) | 1 |

Alternate form assuming x is positive |

x<1 |

Alternate form assuming x is real |

sqrt(x^2)<1 |

Solution |

-1 |

Integer solution |

x = 0 |