If z=x2y- 9xy2 and x=u2+euw, y=v2+2uv, when u=1, v=-1, w=0, then Zu=

If z=x²y- 9xy² and x=u²+e^uw, y=v²+2uv, when u=1, v=-1, w=0, then Zu=

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milcah answered 1 year ago

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