(2) Is the function f(x) : R → R, sin a 1 ifa # πh,k & Z, ifa = Tk, k ε Z f (x) Borel measurable?

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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(2) Is the function f(x) : R → R,
f(x) =
1
-{i
if x + nk, k E Z,
ifx = Tk, k ε Z;
sin a
Borel measurable?
Transcribed Image Text:(2) Is the function f(x) : R → R, f(x) = 1 -{i if x + nk, k E Z, ifx = Tk, k ε Z; sin a Borel measurable?
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