SOLUTION: I know this is a goofy question, but I have gone through my online book a dozen times, and am finding nothing for this. In the grand scheme of things I could skip it not get the on

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Question 430181: I know this is a goofy question, but I have gone through my online book a dozen times, and am finding nothing for this. In the grand scheme of things I could skip it not get the one point and be okay, but I want to know what the answer is for my own benefit. So far I have answered opposite, reciprocal.
The ________ of (√x + 1) is (√x - 1).
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi



The 'conjugate' of (√x + 1) is (√x - 1).



When we multiply a conjugate pair, the  radical vanishes and we obtain a rational number.

  (√x + 1)(√x - 1) = x-1

This is commonly done to remove the radical in the denominator of an expression







 

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