Method and examples
Numerical integration using Trapezoidal rule
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  1. x1.41.61.82.02.2
    f(x)4.05524.95306.04367.38919.0250

  2. x0.00.10.20.30.4
    f(x)1.00000.99750.99000.97760.8604

  3. x0.000.250.500.751.00
    f(x)1.00000.98960.95890.90890.8415

f(x) =  
x1 = and x2 =
Step value (h) =  OR  Interval (N) =
=
  1. `f(x)=2x^3-4x+1`
    x1 = 2 and x2 = 4
    N = 5
  2. `f(x)=2x^3-4x+1`
    x1 = 2 and x2 = 4
    N = 8
  3. `f(x)=1/x`
    x1 = 0 and x2 = 1
    N = 5
  4. `f(x)=1/(x+1)`
    x1 = 0 and x2 = 1
    N = 5
Decimal Place =
Trigonometry Function Mode =
pi as input implemented on 22.06.2023; like 0 to pi, h = pi/12
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