5m Zen
X2 1 dy
X2 1 dy pictures 5
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X2 1 dy
x x2 1 dy dx
x2 1 dy dx xy x
x2 1 dy dx 4xy x
x2 1 dy dx 3xy 6x
(x2+1 )dy/dx 2xyu003d root x2+4
x2 1 dy dx xy
x2 1 dy xydx
x2 1 dy dx 2xy 4x2
(x2-1)dy/dx+2xyu003d2/x 2-1
x2 1 dy dx 2xy
