$\left ( 2x+y \right )dy$ = ydx + 4lnydy
Edited by Draconid, 19-05-2012 - 11:56.
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Posted 19-05-2012 - 09:58
xucxichnuong
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Giải phương trình vi phân:
$\left ( 2x+y \right )dy$ = ydx + 4lnydy
$\left ( 2x+y \right )dy$ = ydx + 4lnydy
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