z²=x²+2y²及z=6-2x²-y²所围成的立体的体积
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 00:32:08
![z²=x²+2y²及z=6-2x²-y²所围成的立体的体积](/uploads/image/z/7172066-2-6.jpg?t=z%26%23178%3B%3Dx%26%23178%3B%2B2y%26%23178%3B%E5%8F%8Az%3D6-2x%26%23178%3B-y%26%23178%3B%E6%89%80%E5%9B%B4%E6%88%90%E7%9A%84%E7%AB%8B%E4%BD%93%E7%9A%84%E4%BD%93%E7%A7%AF)
z²=x²+2y²及z=6-2x²-y²所围成的立体的体积
z²=x²+2y²及z=6-2x²-y²所围成的立体的体积
z²=x²+2y²及z=6-2x²-y²所围成的立体的体积
题目若是求:z=x^2+2y^2 及 z=6-2x^2-y^2 所围成的立体的体积,则为
D: x^2+y^2=2
V=∫∫[(6-2x^2-y^2)-(x^2+2y^2)]dxdy=3∫∫(2-x^2-y^2)dxdy
=3∫dθ∫