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> Dear Colleagues,
>
> I've noticed]]> Oct 3, 2012 10:29:51 PM Oct 3, 2012 10:29:51 PM gsc 0 http://mathforum.org/kb/thread.jspa?messageID=7900141&tstart=0#7900141
Oct 3, 2012 1:12:51 PM Oct 3, 2012 1:12:51 PM renfr1dl@cmich.edu 0 http://mathforum.org/kb/thread.jspa?messageID=7900080&tstart=0#7900080
I bring the r^2 up to the top, where it becomes r^-2. I then would tell the student to add the exponents]]> Oct 3, 2012 11:36:22 AM Oct 3, 2012 11:36:22 AM Peter Duveen 0 http://mathforum.org/kb/thread.jspa?messageID=7899588&tstart=0#7899588
Oct 2, 2012 4:43:34 PM Oct 2, 2012 4:43:34 PM renfr1dl@cmich.edu 0 http://mathforum.org/kb/thread.jspa?messageID=7899515&tstart=0#7899515
I've noticed through the years that many students had
considerable difficulty simplifying the expression below
on a]]> Oct 2, 2012 2:47:30 PM Oct 2, 2012 2:47:30 PM DCJLEE@AOL.COM 4