SOLUTION: can some one please show me how to rationalize the denominator in this problem? 1 / 2 + radical x thanks

Question 17582: can some one please show me how to rationalize the denominator in this problem?
1 / 2 + radical x
thanks
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
I'm assuming that your problem is .

Since this is a binomial denominator (two terms!), you must multiply numerator and denominator by the conjugate of the denominator--that is, the same as the denominator, but with the oppposite sign in the middle.

It looks like this:
*

When you expand the denominator, the middle terms subtract out (as they ALWAYS do!), and the denominator is just . This has no radicals, so it is said to be rationalized.

Final answer:

R^2 at SCC

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