7. Find the area of the surface generated by revolving about the x-axis the graph of y = sinx from x=0 to x=π/2. (10 分)

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2025/11/13

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1. (15 pts) An oil can is to be made in the form of a right circular cylinder, as illustrated in Fig. 1, to contain V m³ of oil. What dimensions of the can will require the least amount of material? (i.e., find r and h.)Fig. 1. An oil can with radius r and altitude h, both in meters.

7. Find the area of the surface generated by revolving about
the x-axis the graph of y = sinx from x=0 to x=π/2. (10 分)

詳解 (共 1 筆)

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