What is Real Number ?
Answers
Answer:
Real numbers can be defined as the union of both the rational and irrational numbers. They can be both positive or negative and are denoted by the symbol “R”. All the natural numbers, decimals and fractions come under this category. See the figure, given below, which shows the classification of real numerals.
Real numbers are simply the combination of rational and irrational numbers, in the number system. In general, all the arithmetic operations can be performed on these numbers and they can be represented in the number line, also. At the same time, the imaginary numbers are the un-real numbers, which cannot be expressed in the number line and is commonly used to represent a complex number. The concepts related to real numerals are explained here in detail, along with examples and practice questions. The key concept in the number system is included in this article.
Real Number is a value that represents on a number line. It is denoted by the symbol "R". Real Numbers include all numbers such as :
- Natural numbers
- Irrational numbers
- Whole numbers
- Rational numbers
- Integers etc.
Natural Numbers : counting numbers from 1 to infinity. 1,2,3..etc.
Whole Numbers : counting numbers from 0 to infinity 0,1,2,3..etc.