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walters Group TitleBest ResponseYou've already chosen the best response.1
\[ \int\limits_{\pi}^{\pi}\frac{ 1}{ 1+e ^{sinx} }dx\]
 one year ago

cluo Group TitleBest ResponseYou've already chosen the best response.0
its from pi to pi?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
oh from pi to pi
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
i only have the finaly answer (pi) but i don'tknow did they it
 one year ago

cluo Group TitleBest ResponseYou've already chosen the best response.0
what level is this?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
ok maybe i don't understand u which level are u refering to?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
advanced calculus
 one year ago

cluo Group TitleBest ResponseYou've already chosen the best response.0
past vector calculus?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
i did pure calculus now is the second level of it (which is advanced calculus)
 one year ago

cluo Group TitleBest ResponseYou've already chosen the best response.0
have you done double and triple integrals? i only ask because i think i saw something similar a couple days ago.
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
i am not sure whether this is possible The substitution of x=y yields dw:1360491262699:dw NB:not sure
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
@phi pls help
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
do you know a standard integral... \(\int \limits_a^b f(x)dx =\int \limits_a^b f(a+bx)dx \)
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
*standard property.
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
ok, then do you want to use this (1 method) or continue with what u did (another method) of putting x=y...
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
any method u know u can use it i'll try to catch up
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
ok, i'll tell u both, first using your substitution x=y, dw:1360492675542:dw dw:1360492681874:dw understood till here ?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
ok this means i will have dw:1360492779070:dw @hartnn can u pls teach me/explain standard property
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
yes, you got it correct using your method, now the standard property... let I = integral ..... >(1) now using that property, first tell what is a+bx =.... ?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
pipix=x
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
yes, so, because of that property, dw:1360493289196:dw add 1 and 2 what u get ?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
dw:1360493238315:dw
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
from pi to pi
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
umm...not actually.... dw:1360493484296:dw dw:1360493501827:dw s = sin x
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
dw:1360493565788:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
got that ^ ?
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
wow i see now so tell me how wil i know that i must use standart property
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
thats trial and error, i first thought of substitution, then recalled different properties, then this property was found to be useful...wih enough practice, this procedure becomes easy and fast...
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
also you must know all the properties beforehand ...
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
welcome ^_^
 one year ago

walters Group TitleBest ResponseYou've already chosen the best response.1
@jacobian see this
 one year ago
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