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Let f: R → R be a function such that f(r) 2 r, for all z € R. Show that if f(an) converge, then Σa, converge.

Let f: R → R be a function such that f(r) 2 r, for all z € R. Show that if f(an) converge, then Σa, converge.

Advanced Engineering Mathematics
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 f: R → R be a function such that f(x) ≥z, for all z € R. Show that if f(an) converge, then a converge.
Transcribed Image Text:Let f: R → R be a function such that f(x) ≥z, for all z € R. Show that if f(an) converge, then a converge.
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