求导,定积分算旋转体体积曲线方程:(x-b)^2+y^2=R^2区域y=0~R绕y轴旋转体积V=∫pi()*x^2 dy请写出最终表达式验算,如R=5,b=50,则V=33363.2048,变为正确上面的“变为”应该是“便为”就是形如插图的体
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![求导,定积分算旋转体体积曲线方程:(x-b)^2+y^2=R^2区域y=0~R绕y轴旋转体积V=∫pi()*x^2 dy请写出最终表达式验算,如R=5,b=50,则V=33363.2048,变为正确上面的“变为”应该是“便为”就是形如插图的体](/uploads/image/z/10087573-13-3.jpg?t=%E6%B1%82%E5%AF%BC%2C%E5%AE%9A%E7%A7%AF%E5%88%86%E7%AE%97%E6%97%8B%E8%BD%AC%E4%BD%93%E4%BD%93%E7%A7%AF%E6%9B%B2%E7%BA%BF%E6%96%B9%E7%A8%8B%EF%BC%9A%28x-b%29%5E2%2By%5E2%3DR%5E2%E5%8C%BA%E5%9F%9Fy%3D0%EF%BD%9ER%E7%BB%95y%E8%BD%B4%E6%97%8B%E8%BD%AC%E4%BD%93%E7%A7%AFV%3D%E2%88%ABpi%28%29%2Ax%5E2+dy%E8%AF%B7%E5%86%99%E5%87%BA%E6%9C%80%E7%BB%88%E8%A1%A8%E8%BE%BE%E5%BC%8F%E9%AA%8C%E7%AE%97%2C%E5%A6%82R%3D5%2Cb%3D50%2C%E5%88%99V%3D33363.2048%2C%E5%8F%98%E4%B8%BA%E6%AD%A3%E7%A1%AE%E4%B8%8A%E9%9D%A2%E7%9A%84%E2%80%9C%E5%8F%98%E4%B8%BA%E2%80%9D%E5%BA%94%E8%AF%A5%E6%98%AF%E2%80%9C%E4%BE%BF%E4%B8%BA%E2%80%9D%E5%B0%B1%E6%98%AF%E5%BD%A2%E5%A6%82%E6%8F%92%E5%9B%BE%E7%9A%84%E4%BD%93)
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