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本章大綱 9.1 Sequence數列 9.2 Infinite Series無窮級數

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Presentation on theme: "本章大綱 9.1 Sequence數列 9.2 Infinite Series無窮級數"— Presentation transcript:

1

2 本章大綱 9.1 Sequence數列 9.2 Infinite Series無窮級數
9.3 Tests for Convergence審斂法 9.4 Power Series, Maclaurin Series, Taylor Series冪級數、 麥可勞林級數和泰勒級數 9.5 Taylor and Maclaurin Series 泰勒級數與麥克勞林級數

3 Sequence 數列 例:

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5 9.1.2 The Limit of a Sequence數列的極限

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7 9.1.3 Limit laws for sequences

8 9.1.4 Theorem 例題1. Calculate 解:

9 9.1.5 The squeeze theorem for sequence 夾擠定理
例題2. Discuss the convergence of the sequence 解:

10 例題3. For what values of is the sequence convergent. 解:

11 9.1.6 Monotonic Sequences單調數列

12 9.1.7 Bounded Sequence 有界數列

13 例題4. Show that the sequence is convergent. 證明:

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15 9.1.8 Theorems

16 證明:

17 例題5. Find 解:

18 9.1.9四個重要的極限 證明:

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20

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22 9.1.10 Theorem 例題6. convergent or divergent. 解:
Determine whether the sequence is convergent or divergent. 解:

23 Infinite Series 無窮級數 Series

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26 例題1. Geometrie Series 幾何級數 解:

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28 例題2. Find the sum of the geometric series 解:

29 例題3. Is the series convergent or divergent? 解:

30 例題4. Write the number as a ratio of integers. 解:

31 例題5. Telescoping Series疊進級數 解:

32 例題6. Harmonic Series調和級數 解:

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34 Theorem

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36 Theorem 級數收斂的必要條件: 證明:

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38 9.2.4 The Test for Divergence
例題7. 利用 test 知 解:

39 例題8. 例題8. Find the sum of the series Find the sum of the series 解:

40 9.3 Tests for Convergence審斂法
9.3.1 The Integral Test 積分審斂法

41 證明:

42

43 例題1. Prove that p-series is convergent if and divergent if 證明:

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45 例題2. Determine whether the series converges or diverges. 解:

46 9.3.2 The Comparison Test比較審斂法

47 證明: 註:

48 例題3. 解: Determine whether the series converges or diverges.
(1) (2) (3) 解:

49 9.3.3 The Limit Comparison Test
極限比較審斂法

50 證明:

51

52 例題4. Test the series for convergence or divergence. (1) (2) 解:

53 註:

54 9.3.4 The Ratio Test 比值審斂法

55 證明:

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57 例題5. Test the series for convergence or divergence. (1) (2) 解:

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59 9.3.5 The Root Test 根值審斂法

60 例題6. 解: Which of the following series converges, and which diverges?
(1) (2) 解:

61 9.3.6 The Alternating Series Test
交錯級數審斂法

62 證明:

63

64 例題7.

65 例題8. Test for convergence or divergence. 解:

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67 9.3.7 Absolutely Convergent 絕對收斂
證明:

68 註:

69 例題9. Test the series for convergence or divergence. (1) (2) 解:

70 9.4 Power Series, Maclaurin Series, Taylor Series 冪級數、麥可勞林級數和泰勒級數
冪級數不但是形式簡單,而且在其收斂區間內可以像對多項式一般對它進行各種運算。因此,將一個函數表示成冪級數,對於研究函數的性質有著重要的意義。

71 9.4.1 Power Series 冪級數

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73 例題1. 解: For what values of x do the following power series converge ?
(1) (2) (3) 解:

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75 9.4.2 The Convergence Theorem for Power Series
證明:

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77 9.4.3 Radius of Convergence收斂半徑

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79 例題2. 解: Find the radius and the interval of convergence of the series.
(1) (2) (3) 解:

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81 例題3. 解: Find the radius and the interval of convergence of the series.
(1) (2) 解:

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83 9.5 Taylor and Maclaurin Series 泰勒級數與麥克勞林級數
9.5.1 The Representation of a Function as a Power Series

84 例題1. Find a power series representation for the function. (3) 解:

85

86 Theorem

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88 例題2. Find a power series representation for the function 解:

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90 9.5.2 Taylor series and Maclaurin series

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93 例題3. 解:

94 例題4. Find the Taylor series of and its radius of convergence. 解:

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96 9.5.3 Taylor’s Theorem 泰勒定理 註:

97 Taylor’s Formula 泰勒公式

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99 證明:

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104 9.5.4 The Remainder Estimation Theorem

105 例題5. Find the Maclaurin series for and its radius of convergence. 解:

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107 例題6. Find the Maclaurin series of and its radius of convergence. 說明:

108 解:

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110 例題7. Find the Maclaurin series of and its radius of convergence. 說明:

111 解:

112 例題8. Find the Maclaurin series of and its radius of convergence. 解:

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116 9.5.5 泰勒餘式定理的應用 例題9. 解:

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119 Evaluate correct to within an error of 0.001.
例題10. Evaluate correct to within an error of 解:


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