SOLUTION: Radical expression sqrt(x)/3sqrt(x)-sqrt(y) is equivalent to: 3x-sqrt(xy)/9x+y 3x-sqrt(xy)/3x+y 3x+sqrt(xy)/9x-y 3x+sqrt(xy)/3x-y x/3x-y

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Question 233548: Radical expression sqrt(x)/3sqrt(x)-sqrt(y) is equivalent to:

3x-sqrt(xy)/9x+y
3x-sqrt(xy)/3x+y
3x+sqrt(xy)/9x-y
3x+sqrt(xy)/3x-y
x/3x-y

Found 2 solutions by rapaljer, edjones:
Answer by rapaljer(4671)   (Show Source): You can put this solution on YOUR website!


You have to multiply numerator and denominator by the conjugate of the denominator, which is .

*


Dr. Robert J. Rapalje

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
sqrt(x)/3sqrt(x)-sqrt(y)
We don't want radicals in the denominator.
.

=
.
Ed

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