设y=x2lnxy = x^2\ln xy=x2lnx,则y′=y' =y′=( ).
(A)2xlnx+2x2x\ln x + 2x2xlnx+2x
(B)2xlnx+x2x\ln x + x2xlnx+x
(C)2lnx+12\ln x + 12lnx+1
(D)2lnx+32\ln x + 32lnx+3
Copyright ©