Re: Mathematica not considering an assumption
- To: mathgroup at smc.vnet.net
- Subject: [mg82686] Re: Mathematica not considering an assumption
- From: markmgg at googlemail.com
- Date: Sun, 28 Oct 2007 04:06:24 -0500 (EST)
- References: <ffv36o$bf0$1@smc.vnet.net>
Hello Leonardo,
You can try on of the following:
a = -1; Assuming[a < 0, Integrate[x^a, {x, 5, 6}]]
or
Assuming[a == -1, Integrate[x^a, {x, 5, 6}]]
and you should have the integration result you are looking for
(Log[6/5]).
I have tried both of them and got the same result (Log[6/5]).