旋轉體表面積

讓我們先對他下定義吧!

雲朵形圖說文字: 旋轉體定義:如果一個連續函數圖形對一直線旋轉所得的一形狀之表面積,即稱為旋轉體表面積
 

                           

               

                                               

                                

                                                 

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