Answers

2014-10-20T19:08:05+05:30
A number which cannot be expressed in the form of p/q is known as irrational number
or
a number which is non repeating and non terminating is known as irrational number

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2014-10-20T19:16:34+05:30
A real number that cannot be written as a simple fraction-the decimal goes on forever without repeating.
for example:- pi is an irrational number.
pi = 3.14159 = ?/? ( no ratio ) 
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