Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 103
f xs =±x4n? x From this it appears that thecurve is symmetrical with respectto OX, that no value of x can begreater than 2 a or less than 0,and that the line x = 2 a is anasymptote. 49. The strophoid. Let LK andES (fig. 82) be two straight linesintersecting at right angles at 0,and let A be a fixed… … The THE STHOPHOID 87 To find its equation take LK as the axis of x and RS as theaxis of ?/, and let OA = a. By the definition, the point P mayfall in any one of the four quadrants. If we take the positivedirection on AD as measured from A towards D, we have OD = PDwhen P is in the first quadrant,…
Geometry, Analytic · Calculus
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