![multivariable calculus - Region D is bounded by below by $z=0$, and above by $x^2+y^2+z^2=4$, and on sides $x^2+y^2=1$ is required to be setup in spherical coordinate - Mathematics Stack Exchange multivariable calculus - Region D is bounded by below by $z=0$, and above by $x^2+y^2+z^2=4$, and on sides $x^2+y^2=1$ is required to be setup in spherical coordinate - Mathematics Stack Exchange](https://i.stack.imgur.com/kDo4C.png)
multivariable calculus - Region D is bounded by below by $z=0$, and above by $x^2+y^2+z^2=4$, and on sides $x^2+y^2=1$ is required to be setup in spherical coordinate - Mathematics Stack Exchange
Let w(x,y,z) = 1/√(x^2 + y^2 + z^2) (x,y,z) ≠ (0,0,0). Show that ∂^2w/∂x^2 + ∂^2w/∂y^2 + ∂^2w/∂z^2 = 0. - Sarthaks eConnect | Largest Online Education Community
![Find the area of the paraboloid z = 1 - x^2 - y^2 that lies in the first octant. | Homework.Study.com Find the area of the paraboloid z = 1 - x^2 - y^2 that lies in the first octant. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/figure107-resizeimage8500634850695768451.jpg)