Replace the assumption in Theorem 2.4 that a positive number k < 1 exists with
Chapter 2, Problem 21(choose chapter or problem)
Replace the assumption in Theorem 2.4 that a positive number k < 1 exists with |g (x)| k with g satisfies a Lipschitz condition on the interval [a, b] with Lipschitz constant L < 1. (See Exercise 27, Section 1.1.) Show that the conclusions of this theorem are still valid.
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