Instructional Video: Multiplying Radicals
Take care to be sure that the indices are the same before multiplying. We will assume that all variables are positive.
Divide radicals using the following property.
Rationalizing the DenominatorA simplified radical expression cannot have a radical in the denominator. When the denominator has a radical in it, we must multiply the entire expression by some form of 1 to eliminate it. The basic steps follow.
Rationalize the denominator:
This technique does not work when dividing by a binomial containing a radical. A new technique is introduced to deal with this situation.
Instructional Video: Dividing Radicals
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