Question

How do you combine and simplify `sqrt(25/128)`?

Answer 1

`[sqrt25]/(sqrt128)=5/(sqrt64sqrt2)=5/(8sqrt2)`

You should multiply top and bottom by `sqrt2` to rationalise the fraction.

`5/(8sqrt2)xx(sqrt2)/sqrt2`

`(5sqrt2)/(8sqrt4)=(5sqrt2)/16`