InterviewSolution
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An are of the catenary y= (a)/(2) (e^((x)/(a)) + e^(-(x)/(a)))=a cos h(x)/(a), whose end-points have abscissas 0 and x, respectively, revolves about the x-axis. Show that the surface area P and the volume V of the solid thus generated are related by the formula P=(2V)/(a) |
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Answer» <P> |
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