|ƒ (2)| ≤ A (1 + |2|)", n a fixed real number for all z in that strip, show that for each integer n 20 there exists An 20 so that | f(n) (x)| ≤ An(1+x)", [Hint: Use the Cauchy inequalities.] for all x E R.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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2πί J|ζ|=n
5²
8. If f is a holomorphic function on the strip -1 < y < 1, x = R with
|S (2)| ≤ A (1 + |2|)",
n a fixed real number
for all z in that strip, show that for each integer n 20 there exists An 20 so that
|f(n) (x)| ≤ An(1+x)",
[Hint: Use the Cauchy inequalities.]
for all x E R.
Transcribed Image Text:2πί J|ζ|=n 5² 8. If f is a holomorphic function on the strip -1 < y < 1, x = R with |S (2)| ≤ A (1 + |2|)", n a fixed real number for all z in that strip, show that for each integer n 20 there exists An 20 so that |f(n) (x)| ≤ An(1+x)", [Hint: Use the Cauchy inequalities.] for all x E R.
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