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(1-ln(4*x))'The calculation above is a derivative of the function f (x)
(-ln(4*x))'+(1)'
(1/(4*x))*(4*x)'+(1)'
(1/(4*x))*((4)'*x+4*(x)')+(1)'
(1/(4*x))*(0*x+4*(x)')+(1)'
(1/(4*x))*(0*x+4*1)+(1)'
0-x^-1
(-x)^-1
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