1. Apply the product rule to differentiate the expression
Let y=3x2lnx.
Using the product rule dxd(uv)=udxdv+vdxdu with u=3x2 and v=lnx:
dxdy=3x2⋅dxd(lnx)+lnx⋅dxd(3x2)
2. Differentiate the individual terms and simplify
dxdy=3x2(x1)+(lnx)(6x)
=3x+6xlnx
答案3x+6xlnx