Question

Simplificati raportul:
a-3√a supra √a-3.

Answer 1

$\frac{a-3 \sqrt{a}}{\sqrt{a}-3} = \frac{\sqrt{a}( \sqrt{a}-3)}{\sqrt{a}-3}= \sqrt{a}. \\ \\ \underline{Observatie}:~a \neq 9.$