A = Point(xAxis)
B = Point(xAxis)
f(x) = exp(((-(x)^(2))) / ((1^(2) * 2))) / ((abs(1) * sqrt((3.141592653589793 * 2))))
a = Integral(f, x(A), x(B), true)
C = Point(xAxis)
D = Point(xAxis)
g(x) = exp(((-(x - 5)^(2))) / ((0.5^(2) * 2))) / ((abs(0.5) * sqrt((3.141592653589793 * 2))))
b = Integral(g, x(C), x(D), true)