Maths

Let X and Y are two sets. A relation f from X to Y is said to be a function if for every x ∈ X there is a unique element y ∈ Y, such that (x, y) ∈ X

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.

Chinese remainder theorem- Once a Chinese riddle asks the following question- Is there a positive integer x such that when x is divided by 3 it yields a remainder 2, when x is divided by 5 it yields a remainder 4, and when x is divided by 7 it yields a remainder 6?

We can lent or borrow money from one entity to another. The price to be paid for the use of a certain amount of money for a certain period of time is known as interest.

An annuity is a sequence of equal payment or a sequence of regular payment at regular intervals or in other words.

An equated monthly instalment(EMI) is a fixed payment amount made by a borrower to a lender at a specified date each calendar month.

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.

Successive differentiation is the process in which we can differentiate the function successively multiple times and the derivative we find is called the successive derivative.

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