Posted: Tue Sep 04, 2007 5:32 am
YES.
y=x^3/3-x^2+2x+C
y''=2x-2
y'=x^2-2x+2
y''+y'=x^2
y=x^3/3-x^2+2x+C
y''=2x-2
y'=x^2-2x+2
y''+y'=x^2
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TSchultz wrote:YES.
y=x^3/3-x^2+2x+C
y''=2x-2
y'=x^2-2x+2
y''+y'=x^2
JustcallmeDrago wrote:Sigh, this sucks. I'm here doing college freshman level "world civ" crap while I want to be learning about this stuff! I don't even care about mesopotamia !!
I want to be an engineer!
TSchultz wrote:y''+y'=x^2
y'+y=x^3/3
Multiply by e^x
y'e^x+ye^x=x^3/3*e^x
(ye^x)'=e^x*x^3/3
Integrate with IBP
ye^x=e^x(x^3/3-x^2+2x-2)
y=x^3-x^2+2x+C And I suppose +Ce^-x....
Ikerous wrote:TSchultz wrote:y''+y'=x^2
y'+y=x^3/3
Multiply by e^x
y'e^x+ye^x=x^3/3*e^x
(ye^x)'=e^x*x^3/3
Integrate with IBP
ye^x=e^x(x^3/3-x^2+2x-2)
y=x^3-x^2+2x+C And I suppose +Ce^-x....
So what you're saying is I probably should've been sober when I went to differential equations class?
What do you wanna major in?
JustcallmeDrago wrote:Well, for me: Not history and Not english, or any other language.
JustcallmeDrago wrote:Well, for me: Not history and Not english, or any other language.
Ikerous wrote: I'm an electrical engineering major
TSchultz wrote:JustcallmeDrago wrote:Sigh, this sucks. I'm here doing college freshman level "world civ" crap while I want to be learning about this stuff! I don't even care about mesopotamia !!
I want to be an engineer!
That's why I might apply to brown. I can't take all math. I want to go to MIT or Harvard more since they are closer and have better math.
I don't want to think about applying to places untill I have to in a year or two, but my mom is making me.