Y=5ln(x) (формула (ln(x))'=1/x)
y'=5/x
y=2/x-ln(x)
y'=(2*x^(-1))'-(ln(x))'=-2/x²-1/x
y=∛x-2ln(x)
y'=(x^(1/3)'-(2ln(x))'=1/3x^(-2/3)-2/x=
