Dec 31, 2005 #1 H hamidr_karami Banned Joined Oct 17, 2005 Messages 77 Helped 4 Reputation 8 Reaction score 3 Trophy points 1,288 Activity points 0 hi all please solve this problem for me hamid karami
Jan 20, 2006 #2 K kalyanram Advanced Member level 4 Joined Jan 3, 2005 Messages 102 Helped 13 Reputation 26 Reaction score 4 Trophy points 1,298 Activity points 1,012 Re: Solve Hi Hamid, I think the function sezies to exist at the boundary of 1 so I am a bit sceptical about the interval of 0 to infiinity. However here is the indefinite integral. Indefinite Integral ::: (x/2) ln{(1+x²)/(1-x²)} -{x - arctan(x) } -{ ln[(1+x)/(1-x)] - x} The above solution can be obtained by splitting the log Nu/De as log NU -log De and using Integration by parts. ~Kalyan.
Re: Solve Hi Hamid, I think the function sezies to exist at the boundary of 1 so I am a bit sceptical about the interval of 0 to infiinity. However here is the indefinite integral. Indefinite Integral ::: (x/2) ln{(1+x²)/(1-x²)} -{x - arctan(x) } -{ ln[(1+x)/(1-x)] - x} The above solution can be obtained by splitting the log Nu/De as log NU -log De and using Integration by parts. ~Kalyan.
Jan 22, 2006 #3 H hamidr_karami Banned Joined Oct 17, 2005 Messages 77 Helped 4 Reputation 8 Reaction score 3 Trophy points 1,288 Activity points 0 Re: Solve hi Kalyan I do not find your solution please explain more. hamid Karami.
Jan 25, 2006 #4 K kalyanram Advanced Member level 4 Joined Jan 3, 2005 Messages 102 Helped 13 Reputation 26 Reaction score 4 Trophy points 1,298 Activity points 1,012 Re: Solve Hi Hamid, Hope I'm clear on this one ~Kalyan.