Is there a unified equation for ellipses, parabolas, and hyperbolas in cartesian coordinates with eccentricity to be a parameter? K JK J 11.2k44 gold badges1919 silver badges5050 bronze badges two I attempted this over https://alivianhjm992669.blog5.net/72742932/a-simple-key-for-invert-pdf-pdf-invert-pdf-editor-invert-pdf-colours-invert-pdf-color-unveiled