Question

rezolvati varog  exercitiul din foto

Answer 1

$\sqrt{ \frac{1}{17}} * \sqrt{ \frac{17}{49} } = \sqrt{ \frac{1}{17}* \frac{17}{49} } = \sqrt{ \frac{1}{49} }= \frac{ \sqrt{1} }{ \sqrt{49} } = \frac{1}{7}$