[微分] 隐函数微分

楼主: TECO2oo (小麻雀)   2014-10-28 07:19:51
算了很久,还是毫无头绪......?
求详解,麻烦各位了!!
x^2y-3y^2+2xy^3-sin(xy)=5 求 dx/dy?

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