xIny+2y=2x^3 use implicit differentiation to find y'

丹沁2022-10-04 11:39:541条回答

xIny+2y=2x^3 use implicit differentiation to find y'
我算到是y'=6x^2*y-yIny-x/2y
但书上答案是y'=6x^2*y-yIny/x+2y
我怎麼算也算不到x在分母呢,是书错还是我错...

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newisland 共回答了21个问题 | 采纳率95.2%: 对函数左右求导的话,lny+x*y‘/y+2y'=6x^2,化简合并同类项以后y'=6x^2*y-yIny/x+2y.; 1年前