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qrious126
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This is one requires substitution, but i don't what i am doing wrong...
 one year ago
 one year ago
qrious126 Group Title
This is one requires substitution, but i don't what i am doing wrong...
 one year ago
 one year ago

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qrious126 Group TitleBest ResponseYou've already chosen the best response.0
\[yy \prime+x=(x ^{2}+y ^{2})^{1/2}\]
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
i tried subsitituting \[u = x ^{2}+y ^{2}\]
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
@UnkleRhaukus
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
why did you think of that substitution?
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
because it would simplify the right side tremendously...but not too sure.
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
but what would y' become?
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
\[(1/y)((du/dx)x)\]
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
but when i substitute it get very messy.
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
substitute and try that simplification again
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
the mess should work it self out
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
ok thanks!
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
tell me what you get,
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
this is what i have so far...
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
\[1/y \left( (ux ^{2})^{1/2}  x(ux ^{2})^{1/2} \right) + x = u ^{1/2}\]
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
oh wait ....i forgot about that y
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
i get c.
 one year ago

qrious126 Group TitleBest ResponseYou've already chosen the best response.0
thank you very much!
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.2
\[u'=√u\]
 one year ago
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