[OS X TeX] Re: Telescoping series

Tim Brophy timbrophy at mac.com
Fri Aug 20 21:53:06 CEST 2004


Hello All,

	Could anyone help with the following problem, please.
I want to typeset something like the following

un = a-b
un-1 = b-c
un-2 = c-d
...................
...................
u3= w-x
u2=x-y
u1=y-z

So far so good. Now the problem: I want to draw lines showing the 
cancellation of -b and b, -c and c etc.

Thanks in advance,

Tim Brophy

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