Let X be a Set and X. A be a g-algebra on @Suppose AC X. show that the function f: XR given by flxx) = $-9, If X EA to, if x € AC is A-measurable if and only if A € A. When is a function S:X-R said to be Simple? © Let x = [0, ∞), at be the Borel 6-algebra On X and m be the Lebesgue measure on [0). Suppose that f: [0,00) +R is given by fr (x) = 20, for all x € [0, ∞). lim ff dm = flim fn dm? Justify your 74 answer. IS lim

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Let X be a set and A be a σ-algebra on
X.
IS
@Suppase AC X. show that the function
f: XR given by
f(x)=
If X EA
/
0, If XE AC
is A-measurable if and only if A € A.
3-9
When is a function S: X → RR said to be
Simple?
© Let x = [0,00), o be the Borel 6-algebra
on X and m be the Lebesgue measure
on [0). Suppose that f: [0, ∞) Ris
given by
f(x) = 20, for all x € [0,D).
lim ff. dm = flim fn dm? Justify your
answer.
Transcribed Image Text:Let X be a set and A be a σ-algebra on X. IS @Suppase AC X. show that the function f: XR given by f(x)= If X EA / 0, If XE AC is A-measurable if and only if A € A. 3-9 When is a function S: X → RR said to be Simple? © Let x = [0,00), o be the Borel 6-algebra on X and m be the Lebesgue measure on [0). Suppose that f: [0, ∞) Ris given by f(x) = 20, for all x € [0,D). lim ff. dm = flim fn dm? Justify your answer.
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