Plane and solid analytic geometry; an elementary textbook (1904)
Ashton, Charles Hamilton, 1866-1936 · New York, C. Scribner's Sons · leaf 103
s which must besatisfied if the points P2 and P3 are on the line ocioc + y\\f = r2. [31] This is, therefore, the equation of the line P2P3 whichis the chord of contact. It Avill be noted that this equation has the same form asthe equation of the tangent. It represents the tangent ifthe point Px is… … is 0. [32] PROBLEMS 1. Find the length of the chord of contact of tangents fromthe point (3, 4) to the circle $ + y2 = 4. Oh. VII, §69] THE CIRCLE 87 2. Find the equation of the circle which touches the line2x — ?/= 10 at the point (3, —4) and passes through thepoint (5, 1). 3. Find the equation of…
Geometry, Analytic
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