Visual Computation of an Integral (II)

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This verifies that , where .


Left graphic: ,

= orange area + blue area = .

Right graphic: ,

= blue area - red area = .


Contributed by: Soledad Mª Sáez Martínez and Félix Martínez de la Rosa (March 2011)
Open content licensed under CC BY-NC-SA



Reference: Marc Chamberland, "Proof without Words: Look Ma, No Substitution!," Mathematics Magazine 74(1), 2001 p. 55.

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