(a) If f satisfies |f(x)| < M on [a, 6], show |(f(x))? – (f(y))²| < 2M|f(x) – f(y)|. (b) Prove that if f is integrable on [a, b], then so is f². (c) Now show that if f and g are integrable, then fg is integrable. (Consider (f +g)².)
(a) If f satisfies |f(x)| < M on [a, 6], show |(f(x))? – (f(y))²| < 2M|f(x) – f(y)|. (b) Prove that if f is integrable on [a, b], then so is f². (c) Now show that if f and g are integrable, then fg is integrable. (Consider (f +g)².)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.4: Ordered Integral Domains
Problem 8E: If x and y are elements of an ordered integral domain D, prove the following inequalities. a....
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