(cos-isin) (cos 70+isin 70)-³ (cos 40+ i sin 40)² (cos+ i sin 0)³ Q2. Obtain the Power Series solution of the differential equation y"-xy'+y=0. Q1. Simplify using De Movier's Theorem.
(cos-isin) (cos 70+isin 70)-³ (cos 40+ i sin 40)² (cos+ i sin 0)³ Q2. Obtain the Power Series solution of the differential equation y"-xy'+y=0. Q1. Simplify using De Movier's Theorem.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 5T
Related questions
Question
![Q1. Simplify
(cos-isin
) (cos 70+isin 70)
(cos 40+ i sin 40)² (cos+ i sin 0)³
using De Movier's Theorem.
Q2. Obtain the Power Series solution of the differential equation y"-xy'+y = 0.
Q3. Find the Fourier series for the function: f(x)=[x² for 1<x<1]
Q4. Find the Fourier cosine series for the function: f(x)=
1
0
for_0<x< 1/
1
for
<x<1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29b5b7b3-bd30-4f6b-8fbd-ac93ca19f7be%2Fe760d7e8-19e9-4758-b97e-721c780f8ec5%2F199o7un_processed.png&w=3840&q=75)
Transcribed Image Text:Q1. Simplify
(cos-isin
) (cos 70+isin 70)
(cos 40+ i sin 40)² (cos+ i sin 0)³
using De Movier's Theorem.
Q2. Obtain the Power Series solution of the differential equation y"-xy'+y = 0.
Q3. Find the Fourier series for the function: f(x)=[x² for 1<x<1]
Q4. Find the Fourier cosine series for the function: f(x)=
1
0
for_0<x< 1/
1
for
<x<1
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