SOLUTION: Rationalize: square root of "a" divided by the square root of "a" - 2

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Question 139600: Rationalize: square root of "a" divided by the square root of "a" - 2

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
Not sure whether you mean or Either way, 'rationalize' means 'rationalize the denominator' and that means 'get that nasty radical out of my denominator'




You need to multiply the denominator by its conjugate, namely , therefore you need to multiply the entire fraction by 1 in the form of



The denominator becomes the difference of two squares, and you just distribute for the numerator:




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Again, you need to multiply by 1, this time in the form of , so:






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