Proof of volume of spheres through sum of sections of a sphere
125907
Why does the integral of the surface area of a sphere equal its volume?
87833
Volumes of n-balls: what is so special about n=5?
32350
Compilation of proofs for the summation of natural squares and cubes
118064
Homogeneous riemannian manifolds are complete. Trouble understanding proof.
94215
Fundamental group of the connected sum of manifolds
109180
Deriving Sum of a Geometric Progression
22573
Volume of $T_n=\{x_i\ge0:x_1+\cdots+x_n\le1\}$
20481
Volume enclosed by $(x^2+y^2+z^2)^2=x$
56433
Volume form on $(n-1)$-sphere $S^{n-1}$
11983
Proof of Clarkson's Inequality
53899
Proof of the Sherman-Morrison Formula
101969
Proof of stars and bars formula
83449
Proof with 3D vectors
21430
Uniform distribution on the surface of unit sphere
145322
Sum of a Hyper-geometric series. (NBHM 2011)
36700
Quotient space of closed unit ball and the unit 2-sphere $S^2$
67106
Projection on the hyperplane $H: \sum x_i=0$