If the change in one variable affects a change in other variable, then these two variables are said to be correlated.

Taylor series method to solve the first order ordinary differential equation- The general first order differential equation

A Maclaurin series is a special case of Taylor series. The Taylor’s series is an expansion of a particular function about a point ‘a’.

functions play an important role in mathematics. A function defines a specific correlation between the two data sets. Beta and gamma functions are from the group of Euler’s integral functions.

When the changes in one variable are associated or followed by change in the other, we say that there is a correlation between the two. Such data connecting two variables is called a bivariate population.

The inverse of a matrix is the same idea. If there is a matrix A then its inverse is written as A-1.

Bernoulli equation is the nonlinear differential equation.

The population is the collection or group of observations under study in a survey sampling.The total number of observations in a population is known as population size and it is denoted by N.

If we get a square matrix from an identity or unit matrix by using any single elementary transformation is called elementary matrix.There are two types of echelon form of a matrix.