L Luke 1345 New member Joined Oct 17, 2016 Messages 1 Oct 17, 2016 #1 question: integrate( 1/(e^(t)+1)^(1/2)) dt=? can I directly let e^(t)=(tanx)^2 ? I have tried this method and it will produce a +and- ans or is there any better way to do this question?
question: integrate( 1/(e^(t)+1)^(1/2)) dt=? can I directly let e^(t)=(tanx)^2 ? I have tried this method and it will produce a +and- ans or is there any better way to do this question?
D Deleted member 4993 Guest Oct 17, 2016 #2 Luke 1345 said: question: integrate( 1/(e^(t)+1)^(1/2)) dt=? can I directly let e^(t)=(tanx)^2 ? I have tried this method and it will produce a +and- ans or is there any better way to do this question? Click to expand... There are several possible substitution available for this problem However, "tan" substitution is the easiest - in my opinion.
Luke 1345 said: question: integrate( 1/(e^(t)+1)^(1/2)) dt=? can I directly let e^(t)=(tanx)^2 ? I have tried this method and it will produce a +and- ans or is there any better way to do this question? Click to expand... There are several possible substitution available for this problem However, "tan" substitution is the easiest - in my opinion.
