How do you simplify # sqrt (0.5)#?

1 Answer




The difficult part here is dealing with a decimal inside the root sign. So let's change that to a fraction and see if it's easier to deal with:


This is good - there is now no decimal inside the root. But now we have to deal with a root in the denominator of our fraction. So let's get rid of it through a creative use of multiplying by 1: