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amorfide
Group Title
is anyone able to do a quick lesson on integration by parts?
 one year ago
 one year ago
amorfide Group Title
is anyone able to do a quick lesson on integration by parts?
 one year ago
 one year ago

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experimentX Group TitleBest ResponseYou've already chosen the best response.1
let \( u \) and \(v\) be two functions of x, \[ \int u(x) \; v(x) \;dx = u(x) \int v(x) dx  \int {d\over dx}u(x) \left [ \int v(x) dx \right ] dx \\= v(x) \int u(x) dx  \int {d\over dx}v(x) \left [ \int u(x) dx \right ] dx\] Rest is pratice!!
 one year ago

amorfide Group TitleBest ResponseYou've already chosen the best response.0
dw:1350493812184:dw is that the integral of the derivative of v(x)? lol
 one year ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
try few examples dw:1350493861755:dw
 one year ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
yeah ... but that is multiplied by another integral ... and dx appears at last.
 one year ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1350494046804:dw
 one year ago

amorfide Group TitleBest ResponseYou've already chosen the best response.0
so in words it would be (second x integral of first)  (integral of (derivative of second x integral of first))
 one year ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
yep .. you can interchange first and second though. suit yourself according to the problem.
 one year ago
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