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(1/(x^(1/2)))'The calculation above is a derivative of the function f (x)
((1)'*x^(1/2)-(1*(x^(1/2))'))/((x^(1/2))^2)
(0*x^(1/2)-(1*(x^(1/2))'))/((x^(1/2))^2)
(0*x^(1/2)-(1*(1/2)*x^(1/2-1)*(x)'))/((x^(1/2))^2)
(0*x^(1/2)-(1*(1/2)*x^(1/2-1)*1))/((x^(1/2))^2)
(0*x^(1/2)-(1*1/2*x^(-1/2)))/((x^(1/2))^2)
(-1/2)*x^(-3/2)
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