Let S be a measurable space, f, g SK measurable and AE K. Then: : i) |ƒ| : x → |ƒ(x)| is measurable. ii) If K = R then sup(f, g) and inf(f, g) are measurable.
Let S be a measurable space, f, g SK measurable and AE K. Then: : i) |ƒ| : x → |ƒ(x)| is measurable. ii) If K = R then sup(f, g) and inf(f, g) are measurable.
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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![Let S be a measurable space, f,g: S→ K measurable and λ € K. Then:
i)|ƒ|:
: x → |f(x)| is measurable.
ii) If K = R then sup(f, g) and inf(f, g) are measurable.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F112fa64e-d0df-44cc-897b-72f060ba2cd5%2F588c9231-c25b-4795-8c8f-f931d2a9d6af%2F9zf44m2_processed.png&w=3840&q=75)
Transcribed Image Text:Let S be a measurable space, f,g: S→ K measurable and λ € K. Then:
i)|ƒ|:
: x → |f(x)| is measurable.
ii) If K = R then sup(f, g) and inf(f, g) are measurable.
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