PIRNI RUUMALA MÄÄRAMINE INTEGRAALI ABIL

A: (-0.04, -3.81)
B: (8.06, -3.81)
C = Point(yAxis)
D = (0.17949351336415775, 1.5846064789664773)
E = (1, 3)
F = (1.9107377998076773, 3.5526021208210827)
G = (2.7985553825992255, 3.6265869193870452)
H = (3.8639364819490836, 3.5969929999606602)
I = (5.106881097857252, 3.2122720474176547)
J = (5.669165566958565, 2.294860545199718)
K = (6.364622673478611, 1.8953426329435203)
L = (6.852922344013963, 1.7917639149511726)
M = (7.341222014549315, 1.466230801260937)
N = (7.785130805945088, 1.0519159292915465)
O = (7.992288241929782, 0.578413218469386)
f = Fit({C, D, E, F, G, H, I, J, K, L, M, N, O}, {1, x, x^(2), x^(3), x^(4), x^(5), x^(6), x^(7), x^(8)})
text1: "f\left(  x \right) = \; " + (LaTeX[f]) + ""
V: (π * Integral[(f(x))^(2), 0, 8])
V_ligikaudne: round(V)
text2: "V= π \int_{0}^{8}{f\left( x  \right)^ 2dx  }≈" + (LaTeX[V]) + "≈" + (LaTeX[V_ligikaudne]) + ""