z_{1}, z_{2}, z_{3}, z_{4} = ComplexRoot(x^(4) + 16)
A = Intersect(xAxis, yAxis)
c = Circle(A, z_{1})
f = OrthogonalLine(z_{4}, xAxis)
u = Vector(A, z_{4})
B = Intersect(f, xAxis)
text1 = SurdText(x(B))
text2: "" + (LaTeX[text1]) + "+i" + (LaTeX[text1]) + ""