Найду корень уравнения: x^2=2^x
2 x x = 2
x1 = 2
/-log(2) \ -2*LambertW|--------, -1| \ 2 / x2 = ------------------------- log(2)
x1 = 4.00000000000000
x2 = 2.00000000000000
x3 = -0.766664695962000