Re: querries

*To*: mathgroup at smc.vnet.net*Subject*: [mg119561] Re: querries*From*: Oliver Ruebenkoenig <ruebenko at wolfram.com>*Date*: Fri, 10 Jun 2011 06:37:54 -0400 (EDT)*References*: <201106090945.FAA06257@smc.vnet.net>

On Thu, 9 Jun 2011, Savits, Thomas H wrote: > 1) Why does Mathematica not give the value 0 to the expression > (mu*lambda)^(b) - (mu^b)*(lambda^b)? It seems to treat the expression (mu*lambda) as a new variable. I used the greek letters from the palette in the actual expression. > Tom, you could use PowerExpand to do that. Oliver > 2) Many times I cannot get Mathematica to simplify expressions involving the exponential functions, e.g., it won't combine the arguments of the Exp functions. Is there a way to force this? > > Thanks, > Tom Savits > Statistics Department > University of Pittsburgh >

**References**:**querries***From:*"Savits, Thomas H" <savits@pitt.edu>