1. Show that there exists a linear continuous form oon L ([0, 1]) such that o(f) = f(0) if f is continuous. 2. Using Riemann-Lebesgue Lemma, show that there is not exists any g € L¹([0,1]) such that (f) = f(t)g(t)dt for all ƒ € L∞ ([0, 1]). 3. What you can deduce from the previous parts. Good Luck

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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part 2 3rieman lebesgue lemma part 2
Problem 4.
1. Show that there exists a linear continuous form oon L ([0, 1]) such that o(f) = f(0)
if f is continuous.
2. Using Riemann-Lebesgue Lemma, show that there is not exists any g € L¹([0, 1])
such that (f) = f(t)g(t)dt for all f € L∞ ([0,1]).
3. What you can deduce from the previous parts.
Good Luck
Transcribed Image Text:Problem 4. 1. Show that there exists a linear continuous form oon L ([0, 1]) such that o(f) = f(0) if f is continuous. 2. Using Riemann-Lebesgue Lemma, show that there is not exists any g € L¹([0, 1]) such that (f) = f(t)g(t)dt for all f € L∞ ([0,1]). 3. What you can deduce from the previous parts. Good Luck
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