Solve second order differential equation by substitution, Q10 on review sheet

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Solve second order differential equation by substitution,
2nd order differential equation with variable coefficients,
Differential equation by substitution,
second order linear differential equations,

blackpenredpen

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It's amazing how I applied this method to my homework and ended up figuring it out in less than 15 minutes while I struggles for an hour in class. THank you !

corpliner

I notice that finding the integration factor was totally unnecessary... if xv' = 2+3v, we can divide both sides by (2+3v) and x which would leave us with v'/(2+3v) = 1/x. Integrate to get natural logs and then the rest is history.

zerospeed

supreme + calc2.. u= calc2 du = 2 dv = supreme v = hypebeast

markettim

I like how he uses two different markers together masterly.

nodirbek

Hey, I'm stuck with a second order differential equation, I think is a good one and It will nice make a video about it. The equation is: y''=y'·exp(y). The problem is that I don't figure out what to do with the y inside the exponential function. Any idea? Thank you, your videos are great.

TheDarkSolrac

finally a good video!! i was searching for that method for variable coefficients for a long time

VillegasCar

The new C1 - hahaha, thank you and very clear!

charlesrothauser

It's because dv/dx+P(x)v=Q(x) and Μ(v)=e^int(P(x)dx)

john-athancrow

Hello what is
partial differential equation using the corresponding given change of variables

adresgulli

I tried to understand this, but at 2:10 u lost me xD

janv.

It's the same strategy as with y!

john-athancrow

I would say that as c_3 because c_2 took the place

john-athancrow

Differential equations are actually so scary

paolo

6:13 how can you integrate y with respect to x?

arandompersononyoutube

What the heck, is he doing at 2:20 ? Where did e come from? What the he'll is, an integration factor?

leif

Whetr did that mu come from at 2:30? WHAY IS THAT., WHO WOULD, EVER THIBK OF THAT., THATS NOT CORRECT

leif

Solve second order differential equation by substitution, Q10 on review sheet

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