F (X) = e^(3 * X -2) - ln (3 * X -1)
F '(X) = e^(3 * X -2) * (3 * X - 2)' - 1 / (3 * X - 1) * (3 * X - 1)' =
= 3 * e^(3 * X - 2) - 3 / (3 * X - 1)
При X = 2/3 F ' (X) = 3 * e° - 3 / (2 - 1) = 3 - 3 = 0
F (X) = e^(3 * X -2) - ln (3 * X -1)
F '(X) = e^(3 * X -2) * (3 * X - 2)' - 1 / (3 * X - 1) * (3 * X - 1)' =
= 3 * e^(3 * X - 2) - 3 / (3 * X - 1)
При X = 2/3 F ' (X) = 3 * e° - 3 / (2 - 1) = 3 - 3 = 0