Question

f(x)=$x^{2}$ $xln_{x}$ derivata functiei

Answer 1

$f(x)=x^2lnx \\ f'(x)=2xlnx + \frac{x^2}{x} =2xlnx +x=x(1+2lnx)$

Derivare de produs de functii

$(f*g)'=f'*g+f*g'$