Question

$Racionaliza: \frac{15}{ 5\sqrt{3} }$

Answer 1

15 = 5 x 3 = 5 x √3 x √3

so
15 / (5 √3)
= (5 x √3 x √3)/ (5 x √3) ............( 5 x √3 are canceled out)
= √3
 or
= 1.73