f(x) = LN(x)^2 + LN(x) = LN(x)·(LN(x) + 1)
F(x) = x·LN(x)^2 - x·LN(x) + x
Nullstellen f(x) = 0
LN(x)·(LN(x) + 1) = 0
x = 1 oder x = 1/e
Flächen zwischen Graph und x-Achse
F(1) - F(1/e) = (1·LN(1)^2 - 1·LN(1) + 1) - ((1/e)·LN(1/e)^2 - (1/e)·LN(1/e) + (1/e)) = 1 - 3/e = -0.1036