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Example 32

Find the dimension of the cylinder of the greatest volume that can be made from a wooden cone of height 12 inch and base radius 5 inch.

Solution

Let the height and radius of the base of the desired cylinder be 'h' and 'r' respectively, and let 2q be the vertical angle of cone of given height 12 inch and base radius 5 inch (see fig)

Then we have tan q =


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Index

5.1 Tangent And Normal Lines
5.2 Angle Between Two Curves
5.3 Interpretation Of The Sign Of The Derivative
5.4 Locality Increasing Or Decreasing Functions 5.5 Critical Points
5.6 Turning Points
5.7 Extreme Value Theorem
5.8 The Mean-value Theorem
5.9 First Derivative Test For Local Extrema
5.10 Second Derivative Test For Local Extrema
5.11 Stationary Points
5.12 Concavity And Points Of Inflection
5.13 Rate Measure (distance, Velocity And Acceleration)
5.14 Related Rates
5.15 Differentials : Errors And Approximation

Chapter 6





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