4. Let D be the region enclosed by y =, y = 0, x = 0, and x = 3. Find the volume of the solid obtained by rotating about the x-axis. ⇒__(d)__
阿摩線上測驗
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阿摩線上測驗
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, y = 0, x = 0, and x = 3. Find the volume of the solid obtained by rotating about the x-axis. ⇒__(d)__