Analytic geometry for colleges, universities, and technical schools (1892)
Nichols, E. W. (Edward West), 1858- · Boston [Mass.] : Leach, Shewell & Sanborn · leaf 78
- 4: y -\-1 =0. 16. a = 5, (- 2, - 2). 20. a = 5, {I, k). Afis. X- -\- y^ -\- 4: y -\- 4z X = 17. 17. a = 4, (0, 0). 21. a = k, (2, h).Ans. x~ -\- y = 16. 22. The radius of a circle is 5: what is its equation if it isconcentric with cc^ + ^Z^ — 4ic=2? Ans. x^ -\- y^ — 4: X = 21. 23. Write the… … The equation of the circle when referred to OY, OX is(X - xY + (y ~ yY = a\ 64 PLANE ANALYTIC GEOMETRY. To deduce the polar equation let P be any point of thecurve, then (OA, AP) = {X, y)(OB, BO) = {x, y)(OP, POA) = {r, 6)(00, OOB) = (/, 6) From the figure, OA = x = r cos 6, AP ^ y = r sin 9, OB =…
Geometry, Analytic
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