Write with an integer denominator:

MATHEMATICS · Multi-part · ICSE · Mathematics · Pure Arithmetic · Pure Arithmetic

Problem

Write with an integer denominator: (1)

\frac{2}{\sqrt{3}}

(2)

\frac{\sqrt{7}}{\sqrt{5}}

(3)

\frac{3}{\sqrt{3}+2}

(4)

\frac{1}{4+\sqrt{7}}