Difference between revisions of "Rational number"
Jump to navigation
Jump to search
m (formatting) |
(countability) |
||
| Line 1: | Line 1: | ||
| − | A '''rational number''' is a quotient of the form <math>\frac{a}{b}</math> where ''a'', ''b'' are [[integer]]s and ''b'' ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a [[totally disconnected set]] that is not [[locally compact]]. | + | A '''rational number''' is a quotient of the form <math>\frac{a}{b}</math> where ''a'', ''b'' are [[integer]]s and ''b'' ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a [[totally disconnected set]] that is not [[locally compact]]. The rational numbers are [[countable]]. Rational numbers can be identified by their fractional form, or a terminating or repeating decimal. |
| + | |||
[[Category: Mathematics]] | [[Category: Mathematics]] | ||
Revision as of 02:23, September 21, 2007
A rational number is a quotient of the form <math>\frac{a}{b}</math> where a, b are integers and b ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a totally disconnected set that is not locally compact. The rational numbers are countable. Rational numbers can be identified by their fractional form, or a terminating or repeating decimal.