f

f'

f

f(x) = ((-(3 / 208)) * x^(4)) + (11 / 52 * x^(3)) - (12 / 13 * x^(2)) + (21 / 13 * x) + 1
P1 = Point(f)
P2 = Point(f)
P3 = Point(f)
x1: x(P1)
x2: x(P2)
x3: x(P3)
f1(x) = f'(x)
gl1: x = x1
gl2: x = x2
gl3: x = x3
a = false