11.3.49 a. The binomial coefficients are = 1, 2 (-2/3)(-5/3) %3D %3D 3' 2! (-2/3)(-5/3)(-8/3) 40 so the first four terms of the series are 1- 81 %3D 3. 40 3! 3 81 b. Substitute I = 0.18 to get 0.89512.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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For number 49, the answer key has 5/9 listed for the 2nd derivative. Why do I keep getting 10/9? 

11.3.49
-2/3
) - 1. (3/3) - - (-2/3) - (-2/3)(-5/3)
a. The binomial coefficients are
3'
2!
-2/3
(-2/3)(-5/3)(-8/3)
40
so the first four terms of the series are 1
-
_
3!
81'
40
73
I.
81
b. Substitute I= 0.18 to get 0.89512.
11 3 5O
2)
2/3
Transcribed Image Text:11.3.49 -2/3 ) - 1. (3/3) - - (-2/3) - (-2/3)(-5/3) a. The binomial coefficients are 3' 2! -2/3 (-2/3)(-5/3)(-8/3) 40 so the first four terms of the series are 1 - _ 3! 81' 40 73 I. 81 b. Substitute I= 0.18 to get 0.89512. 11 3 5O 2) 2/3
1.331 1.13
49. F(x) = (1+x)-213, approximate 1.18-2/3
2/3
2/3
Transcribed Image Text:1.331 1.13 49. F(x) = (1+x)-213, approximate 1.18-2/3 2/3 2/3
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