Calculus, with applications; an introduction to the mathematical treatment of science (1900)
Hayes, Ellen, 1851- · Boston, Allyn and Bacon · leaf 60
here -f- = 0 is thendx called a point of in-flexion. In this case dx\dxj Every one is famil-iar with the point ofinflexion as a featurein railroads, when the track is concave, say with respect to the fields onthe right, and then changes so as to be concave to thefields on the left. Curves… … Fig. 3. 50 CALCULUS. inflexion. Maximum and minimum points must evi-dently alternate. Exercises. 43. 1. Consider the meaning of the statement ~ = cc. ax Examine the two cases: (a) when -— changes sign in pass- cioc (h/ing through an infinite value; (b) when -p does not change sign in passing…
Calculus · Geometry, Analytic
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