CBSE Class 9 Answered
what is the actual meaning of real numbers? how do they differ from whole numbers and rational numbers? please explain.
Asked by Arkajyoti Banerjee | 19 May, 2014, 11:39: PM
Expert Answer
The numbers from 1, 2, 3, 4, ...are called natural numbers.
The numbers from 0, 1, 2, 3, 4, .... are called whole numbers.
The numbers ...-4, -3, -2, -1, 0, 1, 2, 3, 4 are called integers.
The numbers of the form 
, where p and q are integers are called rational numbers.
, where p and q are integers are called rational numbers.The numbers which cannot be represented as are called irrational numbers.
are called irrational numbers.The numbers described above are called real numbers.
Consider the following figure.
Thus, real numbers is the set of all numbers that includes, natural numbers, whole numbers, integers, rational numbers and irrational numbers.
Answered by Vimala Ramamurthy | 20 May, 2014, 09:42: AM
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