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Proof Without Words: The Cauchy-Schwarz Inequality

by Roger B. Nelsen (Lewis and Clark College)

This article originally appeared in:
Mathematics Magazine
February, 1994

Subject classification(s): Geometry and Topology | Geometric Proof
Applicable Course(s): 4.11 Advanced Calc I, II, & Real Analysis

Simple geometric proof of the Cauchy-Schwartz Inequality

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