# Calc 2 (test 2 formulas)

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valleystudent84's
version from
2016-09-20 05:15

## Section

Question | Answer |
---|---|

Disk method | Y = π ᶴ [R(x)^2] dX (Perpendicular Rectangles) |

Washer Methodd | Y = π ᶴ [R(x)^2 - r(x)^2] dX (Perpendicular Rectangles) |

Shell Method | Y = 2π ᶴ [P(x)*h(x)] dX (Parallel Rectangles) |

Arc Length | Y = ᶴ (1 + Y'^2)^1/2 dX |

Surface Area of a function | Y = 2π ᶴ (Y)(1+Y'^2)^(1/2) dX |

Area of a known shape | Y = ᶴ [formula] dX |

P(x) = | Distance from Rectangles to AXIS OF ROTATION |

h(x) = | Width of area being integrated |

R(x) = | Outer function |

r(x) = | Inner function |

Hookes law (explain variables) | F = K * d - (F = force) - (K = spring constant) - (d = distance) |

Cone (cylinder) problem formula - set up for radius and volume | π ᶴ (r^2)(h) - r/y = r#/y# |

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