求高手解二阶偏导数试题.上题.1、例Z=f(x+y y2-x2),其中Z=f(u v)只有二阶连续偏导数,求二阶偏导数.内个符号不会打,用6代替..6z方除以6x方,6Z方除以6X6Y.2、已知Z=f(x2-y2 e的XY次方)求二阶偏导数6Z方
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![求高手解二阶偏导数试题.上题.1、例Z=f(x+y y2-x2),其中Z=f(u v)只有二阶连续偏导数,求二阶偏导数.内个符号不会打,用6代替..6z方除以6x方,6Z方除以6X6Y.2、已知Z=f(x2-y2 e的XY次方)求二阶偏导数6Z方](/uploads/image/z/11048732-44-2.jpg?t=%E6%B1%82%E9%AB%98%E6%89%8B%E8%A7%A3%E4%BA%8C%E9%98%B6%E5%81%8F%E5%AF%BC%E6%95%B0%E8%AF%95%E9%A2%98.%E4%B8%8A%E9%A2%98.1%E3%80%81%E4%BE%8BZ%3Df%28x%2By+y2-x2%29%2C%E5%85%B6%E4%B8%ADZ%3Df%28u+v%29%E5%8F%AA%E6%9C%89%E4%BA%8C%E9%98%B6%E8%BF%9E%E7%BB%AD%E5%81%8F%E5%AF%BC%E6%95%B0%2C%E6%B1%82%E4%BA%8C%E9%98%B6%E5%81%8F%E5%AF%BC%E6%95%B0.%E5%86%85%E4%B8%AA%E7%AC%A6%E5%8F%B7%E4%B8%8D%E4%BC%9A%E6%89%93%2C%E7%94%A86%E4%BB%A3%E6%9B%BF..6z%E6%96%B9%E9%99%A4%E4%BB%A56x%E6%96%B9%2C6Z%E6%96%B9%E9%99%A4%E4%BB%A56X6Y.2%E3%80%81%E5%B7%B2%E7%9F%A5Z%3Df%28x2-y2++e%E7%9A%84XY%E6%AC%A1%E6%96%B9%EF%BC%89%E6%B1%82%E4%BA%8C%E9%98%B6%E5%81%8F%E5%AF%BC%E6%95%B06Z%E6%96%B9)
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