Question

sa se rationalizeze numaratorul fractiei 3\√5-√2

Answer 1

$\displaystyle \frac{3}{ \sqrt{5} - \sqrt{2} }= \frac{3( \sqrt{5} + \sqrt{2} )}{5-2} = \frac{\not 3( \sqrt{5} + \sqrt{2} )}{\not 3} = \sqrt{5} + \sqrt{2}$