Question

f(x)=ln2+lnx/x ,Calculați f'(x) . Multumesc ! ​

Answer 1

Răspuns:

f(x)=ln2+ln(x)/x

f'(x) = 0+(ln(x))'·(1/x)+ln(x)·(1/x)'

f'(x) = 1/x² - ln(x)/x²

f'(x) = (1-lnx)/x²