Why Do We Rationalise the Denominator Fractions Involving Surds Radicals

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=xSNyiE9EeiA

Why do we rationalise the denominator when dealing with fractions that include surds / radicals? Is it really neccesary? Is there any point? Find out why in this quick maths video. • #doingmaths #rationalise #denominator #surds #radicals

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