i need to know the integration formula for double components like integration of u*v......plz suggest

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- Jun 13th 2012, 03:04 AMcooper607plz give me the formula of integration by parts
i need to know the integration formula for double components like integration of u*v......plz suggest

- Jun 13th 2012, 03:42 AMtom@ballooncalculusRe: plz give me the formula of integration by parts
Just in case a picture helps...

http://www.ballooncalculus.org/asy/maps/parts.png

... is lazy integration by parts, doing without u and v.

http://www.ballooncalculus.org/asy/prod.png

... is the product rule. Straight continuous lines differentiate downwards (integrate up) with respect to x.

See__here.__

The formula, of course, (one version, anyway) is

But the important thing is to see how it depends entirely on working backwards through the product rule for differentiation.

Also:__Integration by parts - Wikipedia, the free encyclopedia__

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Don't integrate - balloontegrate!

Balloon Calculus; standard integrals, derivatives and methods

Balloon Calculus Drawing with LaTeX and Asymptote! - Jun 13th 2012, 03:47 AMbiffboyRe: plz give me the formula of integration by parts
See google

- Jun 13th 2012, 10:50 PMrichard1234Re: plz give me the formula of integration by parts
It's pretty easy to derive.

The product rule says that, for two functions u and v in terms of x, . Integrate both sides with respect to x to obtain

Rearranging, we get the integration by parts formula, (you can add an arbitrary constant). - Jun 14th 2012, 06:57 AMSorobanRe: plz give me the formula of integration by parts
Hello, cooper607!

Quote:

I need to know the formula for integration by parts.

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