Friday

August 29, 2014

August 29, 2014

Posted by **stevie** on Monday, April 13, 2009 at 4:01pm.

y' = 2xy/(x^2-y^2)

- integration math -
**Sharpay**, Monday, April 13, 2009 at 4:12pmfirst of all, the first y doesn't need a 1 exponent, so when you fix that error, you can ask that algebraic equation of a question.!.

- integration math -
**Reiny**, Monday, April 13, 2009 at 4:27pmI will assume that by y' you mean dy/dx

so it looks like your derivative is the result of an implicit derivative.

so le't work it backwards

y'(x^2 - y^2) = 2xy

y'x^2 - y'y^2 - 2xy = 0

looks like it could have been**(x^2)(y) - (1/3)y^3 = 0**

let's differentiate:

x^2(y') + y(2x) - y^2y' = 0

sure enough!! it works

I must admit there was no real method to what I did, just some observation of patterns and lucky guessing.

- integration math -
**Miss Logan:)**, Monday, April 13, 2009 at 4:37pmReiny is right...sharpay sweetie you really need to know what your talkin about before you answer someones questions...you dont want people thinking of you as a you know...ditz as i like to say...good luck in life sharpay and keep it up REINY!!

**Related Questions**

Integral calculus - Please can anyone help with the following problems - thanks...

Math Integration - Integrate: f (x)/(2x + 1) dx let f represent integrate sign ...

Calc ..basic integration - I forgto how to integrate...its been to long. ...

calculus-integration - integrate -2/xln^4(x)...plz help me..give me an idea on ...

Competetion help on Integration - If there four options are given to a Defenite ...

integrate - how do i integrate 2u du /u-2+2u^2 so i used subsitution rule? or ...

Math - dz =(−sinx + 2xy^2)dx +(2x^2 y)dy Integrate the differential to ...

Math Integration - i keep getting stuck and i think im missing something ...

possible functions - How to find all possible functions of f with a given ...

Integration by parts - integrate (e^x-x)^2 dx