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Find the volume of the region that lies above the cone z= sqrt(x^2+y^2) and within the unit sphere x^2+y^2+z^2= 1 using spherical coordinates

Evaluate the following integral by converting it to cylindrical coordinates: ∫(-3 to 3)∫(0 to sqrt(9-x^2))∫(0 to 9-x^2-y^2) sqrt(x^2+y^2) dz dy dx


Evaluate lim┬((x,y)→(6,2))⁡〖(x^2-3xy)/(x-3y)〗
What is the natural domain of the function f(x,y)=√(x^2-y^2 )?
Find the partial derivative ∂z/∂x and ∂z/∂y of the function x^4y^3+8x^2y
Evaluate lim┬((x,y)→(4,5))⁡〖(√(x+y)-3)/(x+y-9)〗
Determine whether or not the following series converge. ∑_(k=1)^∞▒1/k^7

Determine whether or not the following series converges. ∑_(k=1)^∞▒8k/√(k^2+5)


A piece of a broken plate was dug up in an archaeological site. It was put on top of a grid, as shown in Figure 1.15, with the arc of the plate passing through A(7,0), B(1,4) and C(7,2). Find its center, and the standard equation of the circle describing the boundary of the plate.


If u = x2 + y2
then the value of
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