MIT_單變量微積分_15

1.微分方程和分離變量 Ex1: d y d x = f ( x ) , 求 y = ? ? \frac{dy}{dx} =f(x),求y=?? dxdy​=f(x),求y=?? y = ∫ f ( x ) d x y=\int f(x)dx y=∫f(x)dx Ex2: ( d d x + x ) y = 0. (\frac{d}{dx} +x)y=0. (dxd​+x)y=0.，求y? ( d

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