Triple Integrals Explained: How to Set Up Bounds, Change Order, and Evaluate Solid Regions

Triple integrals become manageable when you see the solid first. Learn how to choose a projection, write valid Cartesian bounds, integrate inside out, change the order of integration, and calculate volume, mass, average value, and center of mass through exact worked examples.

Continue Reading →

Cylindrical vs. Spherical Coordinates Explained

Master cylindrical and spherical coordinates through visual geometry, conversion formulas, Jacobians, bounds, and worked triple integrals. This Calculus 3 lesson compares both systems, solves an upper hemisphere in two ways, and shows how symmetry determines the best coordinates.

Continue Reading →