Question

4 a sobre 2 b sobre 2 raiz ac

Answer 1

$\frac{\frac{4a}{2b} }{2 \sqrt{ac} }$

$\frac{\frac{2a}{b} }{2 \sqrt{ac} } = \frac{2a}{2b \sqrt{ac} } = \frac{a}{b \sqrt{ac} }* \frac{b \sqrt{ac} }{b \sqrt{ac} } = \frac{ab \sqrt{ac} }{b^2ac} = \frac{ \sqrt{ac}}{bc}$