to find the power series for the following functions (centered at 0). Give the interval of convergence of the new series. 35. f(3x) = In (1 - 3x) 37, h(x) = x ln (1-x) 36. g(x) = x³ ln (1-x) 38 BL

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35-40. Combining power series Use the power series representation
f(x) = ln (1-x) = - = for -1 ≤ x < 1,
to find the power series for the following functions (centered at 0).
Give the interval of convergence of the new series.
35. f(3x) = In (1 - 3x)
37. h(x) = x ln (1-x)
39. p(x) = 2x6 In (1 − x)
36. g(x) = x³ ln (1-x)
38. f(x³) = ln (1 - x³)
40. f(-4x) = ln (1 + 4x)
41-46. Differentiating and integrating power series Find the power
series representation for g centered at 0 by differentiating or integrat-
the power series for f(perhaps more than once). Give the interval
of convergence for the resulting series.
ing
41. g(x)
42. g(x)
43. g(x)
=
=
(1 - x)²
44. g(x) =
1
(1 - x)³
1
(1-x) 4
1
using f(x) = 1 - x
X
using f(x)
X
(1 + x²)²
45. g(x) = In (1 - 3x) using f(x)
52 Functions
1
using f(x) = -x
1-
X
1
1-x
1 - x
using f(x)
46. g(x) = In (1 + x²) using f(x)
1
1 + x²
=
1 - 3x
X
1 + x²
55. Radius of convers
56-59. Summation ne
summation (sigma) no
56. 1 +
58. x
x
+
2 4
1
42
X3
4
power series Find power series representations
power series.
+
+
x³
9
60. Scaling powe
interval of cc
gence of the
61. Shifting po
an interval
convergen
is a real n
62-67. Series
following ser
62. Σ (x2
k=0
X
Σ'
64. Σ
66. Σ
Σ
68. A
la
Transcribed Image Text:35-40. Combining power series Use the power series representation f(x) = ln (1-x) = - = for -1 ≤ x < 1, to find the power series for the following functions (centered at 0). Give the interval of convergence of the new series. 35. f(3x) = In (1 - 3x) 37. h(x) = x ln (1-x) 39. p(x) = 2x6 In (1 − x) 36. g(x) = x³ ln (1-x) 38. f(x³) = ln (1 - x³) 40. f(-4x) = ln (1 + 4x) 41-46. Differentiating and integrating power series Find the power series representation for g centered at 0 by differentiating or integrat- the power series for f(perhaps more than once). Give the interval of convergence for the resulting series. ing 41. g(x) 42. g(x) 43. g(x) = = (1 - x)² 44. g(x) = 1 (1 - x)³ 1 (1-x) 4 1 using f(x) = 1 - x X using f(x) X (1 + x²)² 45. g(x) = In (1 - 3x) using f(x) 52 Functions 1 using f(x) = -x 1- X 1 1-x 1 - x using f(x) 46. g(x) = In (1 + x²) using f(x) 1 1 + x² = 1 - 3x X 1 + x² 55. Radius of convers 56-59. Summation ne summation (sigma) no 56. 1 + 58. x x + 2 4 1 42 X3 4 power series Find power series representations power series. + + x³ 9 60. Scaling powe interval of cc gence of the 61. Shifting po an interval convergen is a real n 62-67. Series following ser 62. Σ (x2 k=0 X Σ' 64. Σ 66. Σ Σ 68. A la
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