Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:a) Given u =
3 + 4i and v = 1 – 2i. Calculate
in the form
||
u + v
а + ib.
Hence, calculate the modulus and argument of
u + v
b) Given the complex number z = -V32+ /32i.
i. Express z in polar form.
ii. Obtain all possible complex values of w
them on an Argand diagram.
Vz and sketch
c) Using De Moivre's Theorem, show that
sin(30) = 3 sin 0 – 4 sin³ 0
Hence, obtain all possible solutions for the equation 24x – 32x = 1.
3.
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