Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

what is real number
Asked by | 09 Jun, 2008, 11:02: AM
Expert Answer

Real number

In mathematics, the real numbers may be described informally as numbers with an infinite decimal representation, such as 2.4871773339.... The real numbers include the rational numbers, such as 42 and −23/129, and the irrational numbers, such as π and the square root of 2. They can also be visualized, or represented, as points along an infinitely long number line.

A rigorous definition of the real numbers was one of the most important developments of 19th century mathematics. Indeed, several equivalent definitions were developed. Popular approaches that are still used nowadays include

The name real numbers arose to distinguish them from what were then called imaginary numbers (and now complex numbers).

Answered by | 09 Jun, 2008, 06:21: PM
CBSE 10 - Maths
Asked by devanshsinghbais111 | 11 Oct, 2022, 01:57: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Bavashreelogasundaram | 22 Sep, 2022, 08:26: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sharmaraushan079 | 19 Aug, 2022, 04:04: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Sunita | 08 Aug, 2022, 01:06: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by choithanimahak | 05 Aug, 2022, 09:06: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by aayeshashaikh40.10 | 24 Jul, 2022, 06:42: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by mish70003 | 20 Jul, 2022, 03:29: PM
ANSWERED BY EXPERT
×