2. Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable subset of [0, 1]. Let {E} [0, 1] be a countable disjoint collection of Lebesgue measurable sets. a. Show that m(AnŨEx) = Σm(An Ek). k=1 k=1

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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2. Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable
subset of [0, 1]. Let {E}
[0, 1] be a countable disjoint collection of Lebesgue
measurable sets.
a.
Show that
m (AnŮ Ex) = m(
k=1
k=1
Σm(An Ek).
b.
Let f [0, 1] (0, 1] be a measurable function. Show that for every € > 0,
there is a natural number N and a set C such that m(Ce) < € and
< f(x) ≤ / / /
for all x € Ce.
1
1
NE+1
Transcribed Image Text:2. Let ([0, 1], L, m) be a Lebesgue measure space, and let A be a nonempty measurable subset of [0, 1]. Let {E} [0, 1] be a countable disjoint collection of Lebesgue measurable sets. a. Show that m (AnŮ Ex) = m( k=1 k=1 Σm(An Ek). b. Let f [0, 1] (0, 1] be a measurable function. Show that for every € > 0, there is a natural number N and a set C such that m(Ce) < € and < f(x) ≤ / / / for all x € Ce. 1 1 NE+1
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