g(x) = (-2 * x / (x^(2) + 1))
eq1: x + y + log(ℯ, 2) = 0
f = Integral(g(x))
c_{1} = -1 (slider from -5 to 5)
teksti1 = LaTeX(g, true, true)
teksti2 = LaTeX(f, true, true)
A = Intersect(f, eq1, (1.0000069737445587, -1.693154154304504))