Let f [0, 1] → R be a function on the interval : [0, 1]. Assume that for each polynomial p there is a point o in [0, 1] such that f(xo) - p(xo) > 1/2. Prove that the function f fails to be continuous on the interval [0, 1].

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let f : [0, 1] → R be a function on the interval
[0, 1]. Assume that
for each polynomial p there is a point o in [0, 1] such
that
\f(xo) _p(æo)\ >1/2.
Prove that the function f fails to be continuous on
the interval [0, 1].
Transcribed Image Text:Let f : [0, 1] → R be a function on the interval [0, 1]. Assume that for each polynomial p there is a point o in [0, 1] such that \f(xo) _p(æo)\ >1/2. Prove that the function f fails to be continuous on the interval [0, 1].
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