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

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

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

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

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

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

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

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

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

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

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

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

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

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

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