# Mathematics

## 10 Easy Divisibility Rules for Numbers with Examples

Divisibility Rules for Numbers with Examples will make you understand the concept easily and clearly. Divisibility is one of the important concepts in mathematics and it is frequently used in competitive exam papers. If we learn and follow some simple rules, we can easily check the divisibility of any number by other numbers. Divisibility Rules …

## The Theory of Sets Basic Concepts

Introduction to the Theory of Sets German mathematician Georg Cantor developed the theory of sets in the end of the 19th century. Sets are used to define the concepts of relations and functions. Sets are used in the study of geometry, sequences, probability, etc. Definition of Sets A collection is a group of objects of …

## Basic concepts of Algebra in Mathematics

Important Definitions and Basic Concepts of Algebra in Mathematics. Image by Gerd Altmann from Pixabay What is Algebra? Algebra is a branch of mathematics that deals with arithmetic operations on variables. These variables are represented by various symbols. Arithmetic operations include variables as well as the numerals as constants. Variables are special parts of algebra. …

## Binomial Theorem and Its Applications

Binomial Theorem Binomial Theorem Any polynomial with two terms in the expression is called a binomial. Binominal theorem is used to calculate the multiple powers (square, cube and so on) of that binomial expression. In the formula above, we have addition of two terms (a and b). This binomial is raised to the power n. …

## Polynomials in Algebra

What are Polynomials in Mathematics? In mathematics, we have different types of terms. We have variables, constants, expressions, equations, coefficients, and many more. We perform various types of operations, arithmetic calculations on these objects. Before we come to polynomials, we must understand some of these terms. Constant is a term given to an entity whose value …

## Basic Mathematics – Decimal Number System

Decimal Number System Most commonly used. Also called as the Hindu-Arabic number system. It is base-10 number system. Ten digits (0 to 9) are used to form all the numbers of the decimal number system. Digits have two types of values in a number. Face Value Place Value Face value is value of the digit …

## Basic Mathematics – Numbers

Digits Digits are just the single symbols that are used to make numerals. Examples: Most common numeral systems Binary Numeral System: {0, 1} Octal Numeral System: {0, 1, 2, 3, 4, 5, 6, 7} Decimal Numeral System: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} Hexadecimal Numeral System: {0, 1, 2, 3, 4, …