SOLUTION: Perform the indicated multiplication. Then simplify the radical expression. sqrt 13 multiply sqrt 5

Algebra ->  Square-cubic-other-roots -> SOLUTION: Perform the indicated multiplication. Then simplify the radical expression. sqrt 13 multiply sqrt 5      Log On


   

Question 99144: Perform the indicated multiplication. Then simplify the radical expression.
sqrt 13 multiply sqrt 5
Answer by Adam(64) About Me  (Show Source):
You can put this solution on YOUR website!
Main theme here is algebraic manipulation. It is important to know formula a%5Ex%2Ab%5Ex+=+%28a%2Ab%29%5Ex. Also you can rewrite sqrt%28x%29 as x%5E%281%2F2%29. Given that, it easy to evaluate sqrt%2813%29%2Asqrt%285%29 which equals