How to get a radical out of the denominator
Getting rid of the radical in these denominators involves using the conjugate of the denominators. A conjugate is a binomial formed by taking the opposite of the second term of
Getting rid of the radical in these denominators involves using the conjugate of the denominators. A conjugate is a binomial formed by taking the opposite of the second term of
The denominator here contains a radical, but that radical is part of a larger expression. To get rid of it, I'll multiply by the conjugate in order to simplify this expression. The multiplication of the
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The best way to get this radical out of the denominator is just multiply the numerator and the denominator by the principle square root of 2. So lets do that. So times the principle square
Because this is a single radical in the denominator, we can move it to the numerator by just multiplying both the numerator and denominator by the same radical. So, we
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