March 19th, 2009, 01:58 AM  #1 
Newbie Joined: Mar 2009 Posts: 3 Thanks: 0  Solving for indefinite integral
My daughter at college asked me to help her with these but it's been years since I've done them. I said I would try and then look over what she comes up with so any help would be great not so I can give her the answers but so I can tell her whether or not she on the right track and help her try to find it! Problem 1 ?(t^3/2 + 2t^1/2 4t^1/2)dt= ?t^3/2(dt) + 2?t^1/2(dt) 4?t^1/2(dt)= 2/3t^5/2 +(2)(2)t^3/2 (4)(2)t^1/2 +c= 2/3t^5/2+4t^3/28t^1/2+c Am I anywhere near right with this one? And the second one is: ?sqrt(t)(t^2+t1)dt but I have no idea where to go with it... Thanks to any and all that help and for any help you can give. 
March 19th, 2009, 02:48 AM  #2  
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,948 Thanks: 1139 Math Focus: Elementary mathematics and beyond  Re: Solving for indefinite integral Quote:
Break it up into three separate integrals and factor out the constants. Use where n is the original exponent then multiply by the constant outside of the integral to get: the second one (when multiplying add the exponents)  
March 19th, 2009, 05:20 AM  #3 
Newbie Joined: Mar 2009 Posts: 3 Thanks: 0  Re: Solving for indefinite integral
Thank you I knew after working some more I had to add on the second one but wasn't sure where it fit in!


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