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Examples of Real numbers

Real numbers

Post by natttt
Posted on 2011-03-22 00:14:38
A real number is any element of the set R, which is the union of the set of rational numbers and the set of irrational numbers.

Examples of real numbers:

3 Real, rational, integer.
−3 Real, rational, integer.
−½ Real, rational.
√3 Real, irrational.
5¾ Real, rational.
− 11/2 Real, rational.
1.732 Real, rational.
6.920920920... Real, rational.

More examples:

1 12.38 -0.8625 3/4 √2 1998

Examples of not real numbers:

√-1 (the square root of minus 1) is not a Real Number, it is an Imaginary Number
Infinity is not a Real Number

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