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设siny+e的x次方-xy05=0,求dy/dx
人气:229 ℃ 时间:2020-01-27 02:24:53
解答
siny + e^x - xy² =0
两边对x求导:y'cosy + e^x - (y²+ x*2yy') =0
整理得dy/dx = y' = (y² - e^x) / (cosy - 2xy)
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