2. Suppose that fn converges uniformly to f on the interval I and that each fn is bounded on I, that is Mn = sup{|fn(x)| : x € I} < +∞ for each n € N. (i) Show that f is bounded on I. (ii) Show that there exists a constant M> 0 such that Mn ≤ M for all n € N.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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2. Suppose that fn converges uniformly to f on the interval I and that each fn is
bounded on I, that is
Mn = sup{|fn(x)| : x € I} < +∞
for each n € N.
(i) Show that f is bounded on I.
(ii) Show that there exists a constant M> 0 such that Mn M for all n € N.
Transcribed Image Text:2. Suppose that fn converges uniformly to f on the interval I and that each fn is bounded on I, that is Mn = sup{|fn(x)| : x € I} < +∞ for each n € N. (i) Show that f is bounded on I. (ii) Show that there exists a constant M> 0 such that Mn M for all n € N.
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