Question 631071
simpify the following expression
L^2m(2-m)/L^3(m-2) 
-------
= m(L^2/L^3)(2-m)/(m-2)
----
Since 2-m = -(m-2) , (2-m)/(m-2) = -1. 
-----
= (m/L)(-1)
---
= -m/L
-------
Cheers,
Stan H.
==========