Question 43345
rationalize the denominator to the following: square root of 3x divided by square root of x minus square root of 3. 

Multiply numerator and denominator by (sqrtx + sqrt3) to get:

[(sqrt(3x)(sqrtx + sqrt3)]/[(sqrtx-sqrt3)(sqrtx+sqrt3)]

=[xsqrt3 + 3sqrtx]/(x-3)

Cheers,
Stan H.