An Elementary Treatise On Analytical Geometry, With Numerous Examples
The book An Elementary Treatise On Analytical Geometry, With Numerous Examples was written by author Johnston, W. J., D. 1924 Here you can read free online of An Elementary Treatise On Analytical Geometry, With Numerous Examples book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is An Elementary Treatise On Analytical Geometry, With Numerous Examples a good or bad book?
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= constant, the locus of P is a circle whose centre is the mean centre of the points A, B, C, &c. for the system of multiples m lt m 2 , &c. i 5 8 Analytical Geometry 1 1 . A point moves so that the sum of the squares of its distances from the sides of a regular polygon is constant : show that its locus is a circle. [Equation to locus is (x cos a + y sin OL — p) 2 ( a + V>ysin( a+ V>p] 2 Then x cos = constant coefP of xy = sin 2 a + sin ( 2 OC + —J + sin ( 2 OC + — 1 + ... = o * Also coeff' of ...x 2 — coefF of y 2 = COS 2 £X + COS I 2 OC + ?— 1 + COS ( 2 & + 1 + ...= OJ 12. On a line which revolves round a fixed point O and meets a given circle in P a point Q is taken such that OP.OQ = constant = k 2 ; show that the locus of Q is a circle except in the case when O is on the given circle, when the locus is a straight line. [Proceed as in § in, Ex. i. The locus of Q is the inverse (see Euclid Revised, p. 351) of the given circle. Accordingly the inverse of a circle is a circle, unless the centre of inversion is on the given circle, when the inverse is a straight line.] 13.
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