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
a
3
-
b
3
=
(
a
-
b
)
·
(
a
2
+
ab
+
b
2
)
Radicals and/or fractional (rational) exponents
Examples:
Examples:
College algebra contents
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