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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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