SOLUTION: {{{sqrt(2)-sqrt(1/2)}}} i know this is easy but i dont get it, how to do when there are fraction

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: {{{sqrt(2)-sqrt(1/2)}}} i know this is easy but i dont get it, how to do when there are fraction      Log On


   

Question 38516: sqrt%282%29-sqrt%281%2F2%29 i know this is easy but i dont get it, how to do when there are fraction
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%282%29-sqrt%281%2F2%29
%282%5E%281%2F2%29%29-%281%5E%281%2F2%29%2F2%5E%281%2F2%29%29
%282%5E%281%2F2%29%29-%282%5E%28-1%2F2%29%29
You can not combine due to different exponents.