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Surds : How to Rationalise the Denominator easily

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Published on Apr 5, 2012

Surds : How to Rationalise the Denominator easily.
This video demonstrates how, by multiplying the numerator and denominator by the same surd, that we can rationalise the denominator of a fraction. This, effectively, moves the surd from the denominator to the numerator of the fraction thus making the denominator a rational number
Essential GCSE Maths, AS Maths and A-level Maths revision video.
Become a Maths genius, get the basics correctly.
http://www.surds.co.uk/rationalising_... View my channel: http://www.youtube.com/jayates79 Multiplying Surds : http://youtu.be/kbqlAv2_MpE Video on how to simplify surds : http://youtu.be/D3SZE6zkQlM Video on H=how to rationalise / rationalize the denominator : http://youtu.be/RecR9gV6C1I How to use surds and brackets : http://youtu.be/_8lR20dcNqQ

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