Hello, topsquark!
How do you rationalize the denominator of this?
Hint: How do you factor ?
Spoiler:
This is for the Pre-Calculus students.
A common way to add fractions with radicals in the denominator is to "rationalize the denominator." For example, rationalize the denominator of
To rationalize this we use and multiply the numerator and denominator by giving
How do you rationalize the denominator of this?
Hint: How do you factor ?
-Dan