You can put this solution on YOUR website! Problem: , express with no radicals in the denominator.
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We now that any number multiplied by 1 does not alter its value, right?
We also know that any number divided by itself equals to 1, right?
In order to get rid of the radical in the denominator, we need to multiply both the numerator and denominator by 1. But in this case, instead of , we will use . So...
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The two square roots in the denominators cancel., so we get: