Question

Please help me with this??

Answer 1

c, d and f are rational numbers

Explanation:

`c) 3√(5)*2√(5)=3*2*√(5*5) = 3*2*5 = 30\\\\\\d) (3√(5))/(2√(5))= (3)/(2)\\\\\\f) (2√(5))/(3√(5))= (2)/(5)`