Posted by KIKSY on Sunday, February 27, 2011 at 10:56pm.
Hi! Thank you for your help~~
What is the absolute value of (3x  6)^2 ?
(i am trying to use this to find the radius of convergence of a power series by the way)..

math quick question  MathMate, Monday, February 28, 2011 at 12:38am
The expression is always nonnegative, so the absolute value is the same as the expression itself.