Question

me ajudam a fazer racionalize os denominadores

Answer 1

$\frac{5}{3 \sqrt{10} } = \frac{5}{3 \sqrt{10} } \cdot \frac{\sqrt{10}}{\sqrt{10} } = \frac{5\sqrt{10}}{3\sqrt{100} } =\frac{5\sqrt{10}}{3\cdot10 } =\frac{5\sqrt{10}}{30}^{:5}_{:5}= \frac{\sqrt{10}}{6}$