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This is one requires substitution, but i don't what i am doing wrong...
 10 months ago
 10 months ago
This is one requires substitution, but i don't what i am doing wrong...
 10 months ago
 10 months ago

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qrious126Best ResponseYou've already chosen the best response.0
\[yy \prime+x=(x ^{2}+y ^{2})^{1/2}\]
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
i tried subsitituting \[u = x ^{2}+y ^{2}\]
 10 months ago

UnkleRhaukusBest ResponseYou've already chosen the best response.2
why did you think of that substitution?
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
because it would simplify the right side tremendously...but not too sure.
 10 months ago

UnkleRhaukusBest ResponseYou've already chosen the best response.2
but what would y' become?
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
\[(1/y)((du/dx)x)\]
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
but when i substitute it get very messy.
 10 months ago

UnkleRhaukusBest ResponseYou've already chosen the best response.2
substitute and try that simplification again
 10 months ago

UnkleRhaukusBest ResponseYou've already chosen the best response.2
the mess should work it self out
 10 months ago

UnkleRhaukusBest ResponseYou've already chosen the best response.2
tell me what you get,
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
this is what i have so far...
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
\[1/y \left( (ux ^{2})^{1/2}  x(ux ^{2})^{1/2} \right) + x = u ^{1/2}\]
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
oh wait ....i forgot about that y
 10 months ago

qrious126Best ResponseYou've already chosen the best response.0
thank you very much!
 10 months ago
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