File:FocusDirectrix-Parabola.png
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FocusDirectrix-Parabola.png (470 × 478 pixels, file size: 24 KB, MIME type: image/png)
Focus-Directrix derivation for Parabola
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:08, 5 April 2015 | 470 × 478 (24 KB) | DT Online (talk | contribs) | Focus-Directrix derivation for Parabola |
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