13 A Iz =, arg (z) =tan-(8)- 13 B arg (z) =n-tan-(8)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Find the modulus and argument of the following complex numbers.
3- 2j
2i41 gIving the principal value of argument in exact form
2j+1
|:|=/5
13
A
, arg (z) =tan-(8) - n
13
|z| =
arg (z) =n- tan-(8)
В
-
13
arg (z) = - tan-!(-8)
%3D
13
D Iz=
arg (z) = - tan-(8) - A
|
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