Question

Cat este x patrat ori lnx totul derivat?

Answer 1

$(x^2\cdot lnx)^{'}=(x^2)^{'}\cdot lnx + x^2\cdot(lnx)^{'}=2x\cdot lnx + x^2\cdot\dfrac{1}x=2x\cdot lnx+x.$

Green eyes.