Rationalizing the Denominator
The process by which a fraction is rewritten so that the denominator contains only rational numbers. A variety of techniques for rationalizing the denominator are demonstrated below.
Square Roots (a > 0, b > 0, c > 0)  Examples 


 
 
nth Roots (a > 0, b > 0, c > 0)  Examples 
 
 
Example 
See also
Square root rules, nth root rules, irrational numbers, factoring rules
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