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Mathematics 20 Online
OpenStudy (anonymous):

I am trying to do partial derivatives and not sure if I understand it or not. My question is If F=0.8xsqrt(Y^3/z) y decreases by 4.6% and z increases by 0.8% use partial derv to approximate change in F. I put Fx=0.8x(y^3/2z^-0.5) and Fy= (3/2)(0.8x)(y^1/2z^-0.5) am I doing this right? please help

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