Calc
posted by Darren .
Evaluate the integral (3x+4)/[(x^2+4)(3x)]dx
a. (1/2)ln(x^2+4) + ln3x + C
b. (1/2)arctan(x/2) + ln3x + C
c. (1/2)arctan(x/2)  ln3x + C
d. ln(sqrt(x^2+4)/(3x)) + C
e. None of the above
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