Question 592837
5/ (3) sqrt(5) + sqrt (3)
5/(3√5+√3)
multiply top and bottom by the conjugate of the denominator=(3√5-√3)
5(3√5-√3)/(3√5+√3)(3√5-√3)
(15√5-5√3)/(45-3)
(15√5-5√3)/(42)