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amorfideBest ResponseYou've already chosen the best response.2
dw:1350485381398:dw
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
that stupid freaking C lol
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
Yeah, that is and then a constant... don't forget the constant.
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
parth tell me how to integrate this one...
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
dw:1350485522236:dw
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
\[2\int{dx \over x^2 + 3}\]That's tricky stuff: trig substitution.
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
i literally cant do it :P
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
not trig substitution
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
if it was 2/x²+1 it would be a trig function
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
@Zarkon Please, if you might be able to help?
 one year ago

ZarkonBest ResponseYou've already chosen the best response.1
\[x=\sqrt{3}\tan(\theta)\]
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
Oh, yup...that makes sense.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
@amorfide Trigonometric substitution! Search it on Google.
 one year ago

ZarkonBest ResponseYou've already chosen the best response.1
if you have \[\int\frac{2}{x^2+1}dx\] then just recall that \(\displaystyle\frac{d}{dx}\tan^{1}(x)=\frac{1}{x^2+1}\) and therefore \[\int\frac{2}{x^2+1}dx=2\cdot\tan^{1}(x)+c\] if you want \[\int\frac{2}{x^2+3}dx\] then, if you want, you can use the substitution I gave above
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
so if 2/(x²+1) = 2tan^1(x/root1) all over root 1 2/(x²+3) = dw:1350487017539:dw
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
LOL thank you! always forget the C... would i lose a mark for not putting +c if i do not need to figure out C?
 one year ago

amorfideBest ResponseYou've already chosen the best response.2
ahh okay, thank you :D
 one year ago

ZarkonBest ResponseYou've already chosen the best response.1
there will be a time in the future when you will find a value for C. Particularly when doing initial value differential equations
 one year ago
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