how do you integrate x-1/x+1 dx from 0 to 1

PLeaSe HeLp!!!!!!!!!!!!!!!

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- Feb 22nd 2006, 04:15 PMshevenIntegration
how do you integrate x-1/x+1 dx from 0 to 1

PLeaSe HeLp!!!!!!!!!!!!!!! - Feb 22nd 2006, 08:36 PMearbothQuote:

Originally Posted by**sheven**

I assume that you want to calculate from 0 to 1.

First do a long division: .

And now you get:

Put in the borders:

Greetings

EB - Feb 23rd 2006, 10:53 AMTD!
Instead of doing a long division, remember this trick:

- Feb 23rd 2006, 12:19 PMThePerfectHacker
I have one more method :)

Instead of doing long divison or the trick. You can use substitution,

, then

Thus, by the substitution rule, (note that

Thus,

Thus,

Substitute back,

.

Q.E.D.