Re: simple antiderivative
- To: mathgroup at smc.vnet.net
- Subject: [mg68120] Re: simple antiderivative
- From: Peter Pein <petsie at dordos.net>
- Date: Mon, 24 Jul 2006 05:52:28 -0400 (EDT)
- References: <ea1nh0$pjt$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
T Harris schrieb: > Hello, I am a beginner with Mathematica and I am wrapping up Calculus 1 > right now. Here is my question. > > I am doing antiderivatives and tried to check one I did and can't get my > handworked answer which is correct by the solution manual to match > Mathematica's > answer. I copied and pasted everything here so it looks weird until you > paste it back in notebook. > > Here is my input copied and pasted; > > \!\(Integrate[8 x - 3\ \(Sec\^2\)[x], x]\) > > My output is : > > \!\(\[Integral]\((8\ x - 3\ \(Sec\^2\)[x])\) \[DifferentialD]x\) > > Why don't I get the answer below as I do when I do it by hand? The > antiderivative of Sec^2 is Tan. I am puzzled by the output mathematica > gives. > > \!\(4 x\^2 - 3\ Tan\ [x]\) > > > Thanks > > T Harris > Hello, if you put the square at the syntactically correct position (Integrate[8x-3 Sec[x]^2,x]), Mathematica returns exactly your desired result. Peter