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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,664

Made a new page: Is It Irrational?

It only deals with square root irrationalities, though.

Comments, bug reports and suggestions please

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**JaneFairfax****Member**- Registered: 2007-02-23
- Posts: 6,868

The isa neat way of discovering if the square root of a number is irrational or not.

The is a typo in that sentence.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,664

Thanks Jane.

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,295

The page is very good.

I feel it should include irrational numbers of greatest importance in mathematics, namely pi, e and phi.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,664

I talk about them on the general page on Irrational Numbers, but provide no discussion on why they are irrational (which I should).

ALSO, I have the awkward 2[sup]2[/sup]/1 = 2[sup]2[/sup]/1[sup]2[/sup] ... which should be reduced to 2[sup]2[/sup] ... but then it doesn't look like a rational number.

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