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(3*ln(x/12))'The calculation above is a derivative of the function f (x)
(3)'*ln(x/12)+3*(ln(x/12))'
0*ln(x/12)+3*(ln(x/12))'
0*ln(x/12)+3*(1/(x/12))*(x/12)'
0*ln(x/12)+3*(1/(x/12))*(((x)'*12-(x*(12)'))/(12^2))
0*ln(x/12)+3*(1/(x/12))*((1*12-(x*(12)'))/(12^2))
0*ln(x/12)+3*(1/(x/12))*((1*12-(x*0))/(12^2))
0*ln(x/12)+3*x^-1
3*x^-1
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