2. Find all the roots of f (z) = 220 + 81/3 – j81
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Answer number 2 only.
Express your answer in rectangular form both in exact value and approximate value.
Graph the roots in an Argand diagram showing the magnitude and angle of each of the roots.
Transcribed Image Text:Express your answer in_rectangular form both
in exact value and approximate value.
Round off approximate values to 5 decimal
places.
For each number, graph the roots in an
Argand diagram showing the magnitude and
angle of each of the roots.
So there will be 2 Argand diagrams, one of
no.1, the other separate diagram for no.2.
1. Find the nine roots of
-256 – j256/3
2. Find all the roots of
f (z)
= 226 + 81/3 – j81
-
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