Evaluation of triple integrals

Evaluation by changing the order of integration and changing into polar coordinates

Evaluation of double integrals

Double and triple integrals :

Derivation of one dimensional heat and wave equations and their solutions by variable separable method.

solution of homogeneous PDE involving derivative with respect to one independent variable only.

solution of non-homogeneous PDE by direct integration

Formulation of PDE by elimination of arbitrary constants/functions

Partial Differential equations :