Radicals (roots) and/or exponentiation with fractional (rational) exponent
      Operations on radical expressions
         Adding, subtracting and multiplying radicals
      Rationalizing a denominator
      Radicals and/or fractional (rational) exponents
Operations on radical expressions
Throughout, we take variables to be positive, unless the index of the radical is odd.
Adding, subtracting and multiplying radicals
Examples:
 
Examples:
                 
Examples:
Examples:
 
Examples:
 
Rationalizing a denominator
Rationalizing a denominator is a method for changing an irrational denominator into a rational one.
Examples:
 
        since   a3 - b3 = (a - b) (a2 + ab + b2)
Radicals and/or fractional (rational) exponents
Examples:
 
Examples:
 
College algebra contents
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