1.5 Solving Limits [02] (Rationalization)

http://www.rootmath.org
http://www.rootmath.org/calculus/solving-limits

Rationalization (getting rid of square roots), a new technique for solving limits. Please visit the lesson page for practice exercises: http://www.rootmath.org/calculus/solving-limits


Square Roots: Positive or Negative?
http://forum.rootmath.org/viewtopic.php?f=5&t=22