File:FocusDirectrix-Ellipse.png
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FocusDirectrix-Ellipse.png (544 × 498 pixels, file size: 24 KB, MIME type: image/png)
Focus-Directrix derivation for Ellipse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:06, 5 April 2015 | 544 × 498 (24 KB) | DT Online (talk | contribs) | Focus-Directrix derivation for Ellipse |
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