Goseeko blog

# Maths

• ## What is permutation and combination?

Before studying about permutation and combination, we will have to know about factorial.The product of the positive integers from 1 to n is denoted by n! And we read it as “factorial “

• ## What is a function and its types?

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

• ## What is Chinese remainder theorem?

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?

• ## What is annuity?

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

• ## What is simple interest?

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.

• ## What is survey sampling?

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.

• ## What is successive differentiation?

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

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

• ## What is simple interest?

We can lend 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.