Question

How do you simplify `2/sqrt5`?

Answer 1

Multiply the numerator and denominator times `sqrt(5)`.

`(2)/(sqrt (5))*(sqrt (5))/(sqrt (5))=(2sqrt(5))/(5)`

Answer 2

Try rationalizing by multiplying and dividing by `sqrt(5)`., i.e.:
`2/sqrt(5)*sqrt(5)/sqrt(5)=` and see what happens!