Plane and solid analytic geometry; an elementary textbook (1901)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's sons · leaf 105
the points P2 and Pz are on the line ocix + V\V = r2. [31] This is, therefore, the equation of the line P2P3 which is the chord of contact. It Avill be noted that this equation has the same form as the equation of the tangent. It represents the tangent if the point P1 is on the circle; but if P1 is… … ocxoc + piij + — (as - xi)+f(v + yi)+F=o. [32] PROBLEMS 1. Find the length of the chord of contact of tangents fromthe point (3, 4) to the circle x2 + y2 = 4. Ch. VII, § 59] THE CIRCLE 87 2. Find the equation of the circle which touches the line2 x — y = 10 at the point (3, — 4) and passes through…
Geometry, Analytic
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