Applet 7.4 : Cauchy Schwartz Inequality 
The Cauchy Schwartz Inequality states that :
<u, v> ≤ u v
Refer the figure on right Let u = and v = , then <u, v> = Area of rectangle OEDC u v = Area of rectangle OFGC Referring the figure, we can observe that <u, v> ≤ u v 

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