I really need help with this homework problem, the topic is differential equations:
Solve the D.E.
dy/dx = ( x - y - 1 ) / ( x + y + 3 ), by finding h and k so that the substitutions x = u + h and y = v + k transform it into a homogeneous equation dv / du = ( u - v ) / ( u + v )
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OpenStudy (bahrom7893):
I do remember solving this, not sure whether I have the solution now.
OpenStudy (openstudyuser):
The solution is...
I dunno.
OpenStudy (bahrom7893):
Asked on Sun, Feb 20, 2011, 10:19:25 GMT-0500 (Eastern Standard Time)
OpenStudy (openstudyuser):
That was like a zillion years ago, lol.
OpenStudy (anonymous):
YESS YESS I GOT IT!!!!!
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OpenStudy (bahrom7893):
GOOD JOB!!!!!
OpenStudy (bahrom7893):
let me see if i still have my ODE notes somewhere.... man I'll find them later
OpenStudy (anonymous):
Anyway the answer is...
OpenStudy (anonymous):
\[\Large x^{2}-y^{2}-2xy-6y=c\]
OpenStudy (bahrom7893):
Good job! That probably is the right answer.. Someone give him a medal
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OpenStudy (anonymous):
Thank goodness! That means that my senior year of high school was not a complete waste of time!
OpenStudy (anonymous):
That makes me wanna revise all the awesome math & physics that i learnt these last few years. Thanks, Bahrom, thank you..