if we combine these together (multiply) how does it come out?

Question

du= (2) {(lnx) / (x)}
v= (3x^2) / (2)
the eqn is vdu..i dont get how it is this
3xlnx
what was cancelled?

Answer 1

v du = 3x²/2 * 2 ln x/x = (3x² * 2 ln x)/(2x) = 3 x ln x

The 2 and the x cancel.