Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 288
eras OX. Then the equation of the circleis (x - ft)2 + y* = a2. A line parallel to OX meets the circle !->A>a Fm. 172 16 4 J in two points, A where x = x1 = ft — Va2 — y2and B where x = x2= ft + Vo2 — y2. A sec-tion of the required solid taken throughAB perpendicular to OY is bounded bytwo… … T = ^J_ (-_ ri)dy = 4 irhi_, x _ ll~dy -a-h. APPLICATIONS OP INTEGRATION 131. Length of a plane curve. To find the length of anycurve AB (fig. 174), assume n — 1 points, //, 7f, • • •, %_v be-tween A and /. and connect each pair of consecutive points bya straight line. The length of AB isthen…
Geometry, Analytic · Calculus
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