# 2l + 2w

Input |
---|

2 l + 2 w |

Geometric figure |

line |

Alternate form |

2 (l + w) |

Real root |

w = -l |

Root |

w = -l |

Derivative |

(d)/(dw)(2 l + 2 w) = 2 |

Indefinite integral |

integral (2 l + 2 w) dw = 2 l w + w^2 + constant |

Definite integral over a disk of radius R |

integral integral_(l^2 + w^2 |

Definite integral over a square of edge length 2 L |

integral_(-L)^L integral_(-L)^L (2 l + 2 w) dw dl = 0 |