Advanced geometry for high schools : synthetic and analytical (1919)
McDougall, A. H. (Alexander Hiram), 1859-1946 · Toronto : Copp, Clark · leaf 208
that, the equation of the J_ to —.— x + —-—. y a b = 1 at the point (a cos a, b sin a) is x — — y „ TO cos a sxn a = a- — bz. 37. Find the product of the Is from (-7, - 4) to thelines 3a;- - 12xy + 11 y2 = 0. MISCELLANEOUS EXERCISES 103 38. Show that the product of the J_s from (c, d) to theiines… … Let the line (1) cut the circle (2) at A, B. It is required to find the equation representing OA and OB. From (1) k2 = k (ax + by) = (ax + by)2. ¥(xx + j/2) + 2* (ax + by) (gx + fy) + c (ax + by? = 0. (3) Equation (3) has all its terms of the second degree in x and y,and .., by § 56, it represents…
Geometry · Geometry, Analytic
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