Q1: Correct the following items, enhance your answer with a mathematical proof for each item ₁-r (²3) = (²) 2- cos(ix) = cosh(ix) 3-Z* Z= |Z|Z Зл 4- for Z=-1+√3 then arg(2)
Q1: Correct the following items, enhance your answer with a mathematical proof for each item ₁-r (²3) = (²) 2- cos(ix) = cosh(ix) 3-Z* Z= |Z|Z Зл 4- for Z=-1+√3 then arg(2)
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:Q1: Correct the following items, enhance your answer with a mathematical proof for
each item
₁-r (²3) =
(²) 2- cos(ix) = cosh(ix) 3-Z* Z= |Z|Z
4- for Z=-1 + i√3 then arg(Z) =37
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