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Methods of integration in cases of normal/not normal domains. double integral
A domain is called normal if:
The projection of D onto either $y$-axis or $x$-axes is bounded by the two values, $a$ and $b$.
Any line perpendicular to this axes that passes between these two values intersects the domain in an interval whose endpoints are given by the graph of two functions, $\alpha$ and $\beta$.
If domain is not normal we need to split it into non-overlapping subdomains and work with each subdomain separately.
Jacobi matrix double integral

Jacobi matrix of polar case. double integral

Definition of triple integral
Triple integral is a definite integral of a function of three variables over a region D\sub\R^3.
Methods of integration. triple integral
Direct
Changing order integration
Changing of variables
Cylindrical coordinates
Spherical coordinates

Change of variables. triple integral

Jacobi matrix. triple integral

Cylindrical coordinates
The position of point $M(x,y,z)$ in the $x,y,z$-(space, Cartesian) coordinates in cylindrical coordinates is defined by three numbers:
$\delta$ is the projection of the radius vector of the point $M$ onto the $xOy$-plane.
$\varphi$ is the angle from $x$-axis formed by the projection onto $xOy$-plane of the radius vector.
$z$ is the projection of the radius vector on the $z$-axis (the same value in Cartesian and cylindrical coordinates).

Spherical coordinates
The spherical coordinates of a point $M(x,y,z)$ are defined by three numbers:
$\delta$ is the length of the radius vector to the point $M$.
$\varphi$ is the angle between the $x$-axis and the projection of the radius vector onto the $xOy$-plane.
$\theta$ is the angle between the radius vector and the positive direction of the $z$-axis.

Curvilinear integral of the first kind. definition

Calculation of curvilinear integral of the first kind. 2 cases

Curvilinear integral of the second kind.

Calculation of curvilinear integral of the second kind

Connection of integrals of both kinds

Green’s theorem.

Sequence and it’s limit

The sum of an infinite series

Main theorems and lemmas

Comparison

Cauchy’s test

Cauchy’s integral test

Cauchy’s root test

D’Alembert test

Absolute and relative convergency

Leibnitz criteria
