Recent content by mike01

thanks I will see if I can figure it out.

Integration By Parts? Homework Statement int.arctan(2x)dx Homework Equations Integration By Parts The Attempt at a Solution In the attached image is the original problem with the ansewer I came up with using integration by parts and then a v=sub. later in the problem I did not...

stupid question the 1/2, does that not stay with the second equation why would you inocrporate it into the first also??

Homework Statement See attached image Homework Equations Power reducing Identy: cos^u = (1+Cos2u / 2) The Attempt at a Solution This is a problem that was done as an example (I know it is not complete it is missing the last integration step) but this is where I am getting stuck my...

Dick, Thanks for all your help and patientence but if the image attached repsents the original problem, and the problem + factoring / completing the square. Pardon my ignorance maybe I am just not seeing it but where is the (1/2) coming from? maybe it's just late here and I will look at it after...

Dick, where does the 1/2 come from?? does this seem like the logical next step? (See image). Thanks for all your help.

now that I have corrected that (sorry) if I factor and complete the square nothing (that I can see) works out good for the "x+3" so I looked at splitting them the "x/" works out and substitutes well then turns into a du/a^2+u^2 or arctan, however I am not sure how to deal with the other with the...

see attached image where did I mess up??

Integral Help??Newbie I apoligize in advance I am a newibe to this forum.. Homework Statement integral [(x+3)/(4x^2-8x+13)] Homework Equations The Attempt at a Solution I am currently studying CalcII we Just got into evaluating integrals by completing the square in the denometer...