Question

5/9√45 surds in the simplest form

Answer 1

$= \frac{5}{9} \sqrt{45}$

$= \frac{5}{9} \sqrt{9 \times 5}$

$= \frac{5}{9} \sqrt{9} \sqrt{5}$

$= \frac{5}{9} (3) \sqrt{5}$

$= \frac{5}{3} \sqrt{5}$