I'm trying to find the function from:

But I don't know how to integrate with that irrational

Printable View

- June 2nd 2006, 10:06 PMchanceyIntegrate an irrational?
I'm trying to find the function from:

But I don't know how to integrate with that irrational - June 2nd 2006, 10:43 PMmalaygoelQuote:

Originally Posted by**chancey**

- June 2nd 2006, 10:56 PMchanceyQuote:

Originally Posted by**malaygoel**

EDIT: And it it possible to solve without using trig? - June 2nd 2006, 11:18 PMCaptainBlackQuote:

Originally Posted by**chancey**

have:

.

You have found for the substitution you have made, but you also

need to do the part involving .

RonL - June 2nd 2006, 11:19 PMmalaygoelQuote:

Originally Posted by**chancey**

- June 2nd 2006, 11:44 PMchanceyQuote:

Originally Posted by**malaygoel**

Quote:

Originally Posted by**CaptainBlack**

- June 3rd 2006, 12:02 AMCaptainBlackQuote:

Originally Posted by**chancey**

This is confusing, don't do it. Post the two comments as diffrenet messages.

2. No I meant what I wrote. Look at what we are doing: we put:

so:

.

In the case of your integral you have:

,

so:

,

do you see why this may be usefull?

RonL - June 3rd 2006, 08:16 PMThePerfectHackerQuote:

Originally Posted by**chancey**

Let, then,

And,

Thus,

Express integrand as,

thus,

- June 4th 2006, 08:12 AMTD!Quote:

Originally Posted by**ThePerfectHacker**

- June 4th 2006, 10:44 AMThePerfectHackerQuote:

Originally Posted by**TD!**