A General Course of Pure Mathematics From Indices to Solid Analytical Geometry
The book A General Course of Pure Mathematics From Indices to Solid Analytical Geometry was written by author A L Arthur Lyon Sir Bowley Here you can read free online of A General Course of Pure Mathematics From Indices to Solid Analytical Geometry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A General Course of Pure Mathematics From Indices to Solid Analytical Geometry a good or bad book?
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155-6, (x-aY y y = mx+ -/a^w^ + P^ touches -^ + f^ = 1. y = m{x-o)+ Vo.^m^ + P' touches ^^ + |^ = 1, i.e. y'^ = 4^2^x in limit ; g2 i y= WiC-?;za + am(l + ^^"^ = mx — ma+am (l + - — 5 +...), by the Binomial Series, ^ 2 am- ■' p \ jfi ^ ... 1 = mx H -!—. + terms involving -5- , nt 2 am^ a^ = ma; H — in limit. m As an exercise, the equation of the tangent or polar, m= 2p{x+x;), should be obtained by this method of limits. Before going hack to the general equation we will obtain some further geome...trical properties of the parahola and ellipse. THE PARABOLA 165 The Parabola. It lias already been shown that y = mx + - touches y^ = 4_px at (V 2_P), and that i.V=ii,A7^ = ^. If this tangent meets the axis ai T,y = 0, and AT = x = ^■ .-. TA = AN. .-. TS= AN+AS = AF+ KA = KX = SP. Fig. 65. Draw Pf? perpendicular to the tangent at P. PG is called the nwmal. Since SP = ST and TPG is a right angle, .•. S is centre of circle TPG, and ,?(? = /SP = 2W = » f 1 + i ) since TS = AN + AS, and and is constant for all normals.
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