Saturday, August 21, 2010

irrational number

Let us learn about irrational number

--> A number which is not a rational numbers is said to be as an irrational number. fraction number is also said to be as an Irrational Number & they are opposite of Rational number. An Irrational number doesn’t look as the fraction of two digits. An irrational number is not fraction x/y for any integer x and y. Irrational numbers have decimal expansion that both conclusion.

--> Find the given sum is rational or irrational 7 can be written as a simple fraction like this:
7 = 14/2
So it is a rational number (and so is not irrational)
Find the given sum is rational or irrational 8.5 can be written as a simple fraction like this:
8.5 = 17/2
So it is a rational number (and so is not irrational)

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