设siny+e的x次方-xy²=0,求dy/dx
人气:389 ℃ 时间:2019-10-11 13:31:27
解答
dsiny+de^x-dxy²=0
cosydy+e^xdx-y²dx-2xydy=0
cosydy-2xydy=y²dx-e^xdx
dy/dx=(y²-e^x)/(cosy-2xy)
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