** These problems are not for credit**

Eighth edition | Seventh edition | |

Section 11.1 | 31, 32, 40, 46, 52, 62, 63, 79, 80. | x, x, 40, 46, 52, 62, 63, 79, 80. |

Section 11.2 | 28, 36, 45, 48, 75, 88. | 28, 36, 45, 48, 73, 86. |

Section 11.3 | 14, 22, 27, 29, 30, 40, 44. | 12, 22, 27, 29, 30, 40, 44. |

Section 11.4 | 5, 6, 14, 26, 32, 43, 44, 46. | 5, 6, 16, 26, 32, 43, 44, 46. |

Section 11.5 | 15, 16, 20, 35. | 15, 16, 20, 35. |

Section 11.6 | 18, 20, 36, 37, 38. | 18, 24, x, 15, x. |

Section 11.7 | 25, 33, 36, 37. | 25, 33, 36, 37. |

Section 11.8 | 20, 24, 37, 41, 42. | 20, 24, 37, 41, 42. |

Section 11.9 | 23, 28, 41. | 23, 28, 41. |

Section 11.10 | 11, 12, 15, 17, 18, 32, 44. | 5, 6, 9, 11, 12, 26, 38. |

Section 12.1 | 15, 17, 44. | 13, 15, 40. |

Section 12.3 | 25, 29, 31, 55. | 25, 29, 31, 55. |

Section 12.4 | 35, 44. | 35, 44. |

Section 12.5 | 27, 33, 45, 73. | 27, 33, 45, 73. |

Section 13.3 | 1, 17, 31. | 1, 17, 31. |

Section 13.4 | 7, 37, 39. | 7, 37, 39. |

Note that an 'x' means that the problem does not occur in the 7th edition.

Note that 11.9, number 41 was known to the Indian mathematician Madhavan (1350-1425) fully two centuries before Newton. It is not known how he obtained it.

From this point on, the problems in the two editions may not be the same.

** These problems are not for credit**

Eighth edition | Seventh edition | |

Section 14.1 | 61 thru 66. | 59 thru 64. |

Section 14.2 | 11, 14, 15, 16. | 15, 16, 17, 18. |

Section 14.3 | 41, 42, 43, 44. | 41, 42, 43, 44. |

Section 14.4 | 1, 2, 3, 4, 5, 6. | 1, 2, 3, 4, 5, 6. |

Section 14.5 | 7, 8, 9, 10, 49, 55, 58. | 7, 8, 9, 10, 49, 55, 58. |

Section 14.6 | 11, 12, 13, 21, 22, 23. | 11, 12, 13, 21, 22, 23. |

Section 14.7 | 31, 35, 40, 60. | 29, 33, 38,56. |

Section 14.8 | 7, 23, 30, 47. | 7, 21, 28, 45. |

Section 15.1 | 29, 31, 47, 49. | no similar problems. |

Section 15.2 | 7, 10, 25, 29, 31. | 7, 15, 20, 27, 29, 31. |

Section 15.3 | 13, 25, 31. | 6, 25, 29, 53. |

Section 15.4 | 9, 13, 25, 31. | |

Section 15.5 | 5, 7, 13. | |

Section 15.6 | 7, 9, 13, 17. |