Let {fn} be a sequence of funtions in L[a, b]. Suppose that there exists a function g ∈ L[a, b] with |fn(x)| ≤ g(x) a.e. for each n. Show that if limn→∞ fn(x) = f(x) a.e. and h(x) is a bounded measurable function, then limn→∞ b a fnh = b a fh
Let {fn} be a sequence of funtions in L[a, b]. Suppose that there exists a function g ∈ L[a, b] with |fn(x)| ≤ g(x) a.e. for each n. Show that if limn→∞ fn(x) = f(x) a.e. and h(x) is a bounded measurable function, then limn→∞ b a fnh = b a fh
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Let {fn} be a sequence of funtions in L[a, b]. Suppose that there exists a function g ∈ L[a, b] with |fn(x)| ≤ g(x) a.e. for each n. Show that if limn→∞ fn(x) = f(x) a.e. and h(x) is a bounded measurable function, then limn→∞ b a fnh = b a fh.
![Let {fn} be a sequence of funtions in L[a, b]. Suppose that
there exists a function g E L[a, b] with |fn(x)| < g(x) a.e.
for each n. Show that if
lim fn(x) = f(x) a.e.
and h(x) is a bounded measurable function, then
| fnh =
lim
fh.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01416e22-b897-4a9e-9b93-2d1738197d91%2F4f08e4e3-c2a6-40b8-bb5d-fb29a11b41c6%2Fme0akaw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let {fn} be a sequence of funtions in L[a, b]. Suppose that
there exists a function g E L[a, b] with |fn(x)| < g(x) a.e.
for each n. Show that if
lim fn(x) = f(x) a.e.
and h(x) is a bounded measurable function, then
| fnh =
lim
fh.
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