Type Of Numbers: Natural, Whole, Integers, Rational, Irrational & Real

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Type of Numbers: Natural, Whole, Integers, Rational, Irrational & Real
Natural Numbers(N):
Natural Numbers are counting numbers from 1,2,3,4,5,................
N = {1,2,3,4,5,................}
Whole Numbers (W):
Whole numbers are natural numbers including zero. They are 0,1,2,3,4,5,...............
W = {0,1,2,3,4,5,..............}
W = 0 + N
Positive Numbers:
Positive numbers are, 1,2 ,3 ,4 ,5.................
Positive Numbers: {1, 2, 3, . . .}
Negative Numbers:
Negative numbers are, ............-3, -2, -1.
Negative integers: { . . . -3, -2, -1}
Integers (Z):
Whole Numbers together with negative numbers.
Integers are set containing the positive numbers, 1, 2, 3, 4, ...., and negative
numbers,............-3, -2, -1, together with zero.
Zero is neither positive nor negative, but is both.
In other words, Integers are defined as set of whole numbers and their
opposites.
Z = {..., -3, -2, -1, 0, 1, 2, 3, .....}
Rational Numbers (Q):
All numbers of the form , where a and b are integers (but b cannot be zero)
Rational numbers include fractions:
* Proper Fraction: Numbers smaller than 1 eg: 1/2 or 3/4
* Improper Fraction: Numbers greater than 1 eg: 5/2

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