Plane and solid analytic geometry; an elementary textbook (1901)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's sons · leaf 102
100. This is one equation connecting xx and yv and the factthat the point (xv y^) lies on the circle gives another, :100. h2 + Vi ■■ The algebraic solution of these equations gives xx =0, x1 = 8, or^ = 10, ^ = 6. There are, therefore, as we should expect, two points ofcontact of tangents from the… … 84 ANALYTIC GEOMETRY [Ch. VII, § 58 PROBLEMS 1. Obtain the equations of the tangents to the followingcircles : (a) x2 + f = 49, from (6, 8). (b) x2 + y2 - 4 x -22 = 0, from (- 2, 6). (c) x2 + y- + 5 y = 25, from (7, - 1). 2. Obtain in each of the problems the equation of the linejoining the points…
Geometry, Analytic
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