# Integration by Substitution: Definite Integrals Examples

### Example 1

Find an antiderivative of 3(3 |

### Example 2

Evaluate . |

### Example 3

Evaluate . |

### Example 4

Use Way 2 to evaluate |

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Find an antiderivative of 3(3 |

Evaluate . |

Evaluate . |

Use Way 2 to evaluate |