z=arctan根号下x^y对x和y各求一阶偏导

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z=arctan根号下x^y对x和y各求一阶偏导z=arctan根号下x^y对x和y各求一阶偏导z=arctan根号下x^y对x和y各求一阶偏导dz/dx=y*x^(y/2-1)/2(1+x^y)dz

z=arctan根号下x^y对x和y各求一阶偏导
z=arctan根号下x^y对x和y各求一阶偏导

z=arctan根号下x^y对x和y各求一阶偏导
dz/dx=y*x^(y/2-1)/2(1+x^y)
dz/dy=lnx*x^(y/2)/2(1+x^y)