1. Consider the function f defined by f (x) =| sin x |, for - T < x < T. a) Find the Fourier series of f.
1. Consider the function f defined by f (x) =| sin x |, for - T < x < T. a) Find the Fourier series of f.
Chapter9: Sequences, Probability And Counting Theory
Section9.4: Series And Their Notations
Problem 10TI: Determine whether the sum of the infinite series is defined. 24+(12)+6+(3)+
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Solve b
![1. Consider the function f defined by
f (x) =| sin x |, for
- T < x < T.
a) Find the Fourier series of f.
b) Sketch the graph of the function to which the series converges point-
wise on R. Use the pointwise convergence theorem to justify your
answer.
By choosing a suitable value of x in the series that you have found,
1
show that Lk=14k2 – 1
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc1e46184-5bb3-4339-852b-bb3ef2e0784b%2F2623610f-1086-4a8e-98a0-85669dc6f546%2F9hdqq4b_processed.png&w=3840&q=75)
Transcribed Image Text:1. Consider the function f defined by
f (x) =| sin x |, for
- T < x < T.
a) Find the Fourier series of f.
b) Sketch the graph of the function to which the series converges point-
wise on R. Use the pointwise convergence theorem to justify your
answer.
By choosing a suitable value of x in the series that you have found,
1
show that Lk=14k2 – 1
2
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