Show that f(x) = x3 - 2x - 1 has a real zero between 1 and 2.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 23RE
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Show that f(x) = x3 - 2x - 1 has a real zero between 1 and 2.

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