(-1, –2 < x < 0 1, 0

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.1: Basic Assumptions
Problem 7MRE
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(-1, —2 <х <0
1, 0 <x < 2
|
ตัวอย่าง: f(x)
1. Identifying p = 2 we have
1
dar =
f (x)e-inrx/2,
-intr/2 d.x +
,-inrx/2
e
Cn
(-1)e¯
dx
-2
-2
1- (-1)"
1] = -1+(-1)" + (-1)" – 1] =
2nt
inn
-1+en* +e-inn
2nt
and
-2
| f(x) dæ
CO =
= 0.
-2
Thus
1- (-1)" inns/2.
f(x) = E
%3D
inT
n=-00
n#0
Transcribed Image Text:(-1, —2 <х <0 1, 0 <x < 2 | ตัวอย่าง: f(x) 1. Identifying p = 2 we have 1 dar = f (x)e-inrx/2, -intr/2 d.x + ,-inrx/2 e Cn (-1)e¯ dx -2 -2 1- (-1)" 1] = -1+(-1)" + (-1)" – 1] = 2nt inn -1+en* +e-inn 2nt and -2 | f(x) dæ CO = = 0. -2 Thus 1- (-1)" inns/2. f(x) = E %3D inT n=-00 n#0
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