A certain function f (2) is represented by the following power series: 1 1 1 f(z) =++ , 1< Iz| 23 Determine the exact value (if possible) of f (z) at z = 3i and where 5z = 3i

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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I need correct option please and complete solution of 5
5) A certain function f (z) is represented by the following power series:
1 1
f(2) =+ , 1< ]Iz|
1
1
z4
z5
Determine the exact value (if possible) of f (z) at z = 3i and where 5z = 3i
Transcribed Image Text:5) A certain function f (z) is represented by the following power series: 1 1 f(2) =+ , 1< ]Iz| 1 1 z4 z5 Determine the exact value (if possible) of f (z) at z = 3i and where 5z = 3i
Question 5)
Find the value of f(z) evaluated at z = 3i
1
a.
31
70
70
1
b.
31
1
31
c.
80
70
1
d.
70
80
1
e.
80
80
f.
90
80
1
31
g.
80
90
31
h.
90
90
I + +
+ + +
+
+
Transcribed Image Text:Question 5) Find the value of f(z) evaluated at z = 3i 1 a. 31 70 70 1 b. 31 1 31 c. 80 70 1 d. 70 80 1 e. 80 80 f. 90 80 1 31 g. 80 90 31 h. 90 90 I + + + + + + +
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