Adding and subtracting radicals by combining th
Multiplying and dividing radicals by the product rule and quotient rule
Rationalizing denominators
In order to remove the radical in the denominators, we use the fact that we can multiply the numerator and the denominator of a fraction by the same nonzero number without changing the value of the expression.
In order to remove the radical in the denominators, we use the fact that we can multiply the numerator and the denominator of a fraction by the same nonzero number without changing the value of the expression.