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File:Omar Kayyám - Geometric solution to cubic equation.svg

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Description
English: Omar Kayyám's Geometric solution to cubic equation. To solve the third-degree equation x^3 + a^2x = b Khayyám constructed the parabola x^2 = ay, a circle with diameter b/a^2, and a vertical line through the intersection point. The solution is given by the length of the horizontal line segment from the origin to the intersection of the vertical line and the x-axis.
Date
Source Own work
Author Pieter Kuiper
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Captions

Khayyam solution of a third-degree equation.

Items portrayed in this file

depicts

inception

15 March 2011

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Date/TimeThumbnailDimensionsUserComment
current22:43, 16 March 2011Thumbnail for version as of 22:43, 16 March 2011360 × 450 (827 bytes)Ruud Kootfix colour
20:01, 16 March 2011Thumbnail for version as of 20:01, 16 March 2011360 × 450 (826 bytes)Pieter Kuiperfixing aspect ratio problem, simplifying code

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