5m Zen
1 x2 dy
1 x2 dy pictures 5
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1 x2 dy
1 x2 dy dx xy ax
1 x2 dy xydx
(x2-1)dy/dx+2xyu003d2/x 2-1
1 x2 dy dx 2xy 4x2 0
1 x2 dy y xy dx
1 x2 dy dx xy xy2
1 x2 dy dx
1 x2 dy dx 2xy 4x2
1 x2 dy dx xy 1
1 x2 dy dx y tan 1x
