Question

If f(x) = x (ln x), find f'(x) ?

Answer 1

u’(x)v(x) + x.d/d(x)[ln(x)]
d/dx[x].ln(x) + x.d/dx[ln(x)]
1.ln(x) + x.1/x
ln(x) + 1

Resposta: ln(x) + 1