for all x>0 and y>0, the radical expression
√x
3√x - √y

is equivalent to :

3x - √y
9x + y

3x - √xy
3x + y

3x + √xy
9x - y

3x + √xy
3x - y

x
3x - y

those are spost to be fractions didn't know how to do that

Quote:

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Originally Posted by adkloup

for all x>0 and y>0, the radical expression
√x
3√x - √y

is equivalent to :

3x - √y
9x + y

3x - √xy
3x + y

3x + √xy
9x - y

3x + √xy
3x - y

x
3x - y

those are supposed to be fractions didn't know how to do that

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Multiply top and bottom by . The reason I picked that is . I'm trying to get roots out of the denominator.



I think this is one of your choices.