absolute value of 13r^2 can be?
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Originally Posted by rj2001 absolute value of 13r^2 can be? |13r^2|=13|r^2|=13r^2
13r^2 is always nonnegative (that is greater than or equal to zero. it is zero if r = 0, and greater otherwise), so you can drop the absolute value signs completely
Last edited by Jhevon; Apr 20th 2007 at 02:34 PM.
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