lny = 2+2ln|x-1|+(1/2)ln|2x-1|-(2/3)ln|x+3|y'/y = 2/(x-1)+1/(2x-1)-(2/3)/(x+3)y' = y [2/(x-1)+1/(2x-1)-(2/3)/(x+3)] = e^2(x-1)^2√(2x-1)[2/(x-1)+1/(2x-1)-(2/3)/(x+3)]/(x+3)^(2/3)
