b

a

$A_1^b$

A_{[1;b]}

f(x) = \frac{1}{x^2}

f

g(x) = \frac{1}{\sqrt{x}}

A_{[1;b]}

g(x) = 1 / sqrt(x)
r = -2 (slider from -5 to 0)
a: -1
A: (a, 0)
xAchseAbA = Ray(A, A + (-1, 0))
B = Point(xAchseAbA)
b: x(B)
f(x) = x^(-2)
If = Integral(f, b, a)
c = true
Ig = Integral(g, a, b)
Text5: "A_{[1;b]} =  " + (LaTeX[Ig]) + ""
Text2: "A_{[" + (LaTeX[b]) + ";-1]} = " + (LaTeX[If]) + ""
d = Integral(f, -100, -1)