Trapezoidal Rule
∫ f(x)dx ≈ (h/2) [f(x0) + 2f(x1) + 2f(x2) + ... + 2f(xn-1) + f(xn)]
where h = (b - a) / n
Trapezoidal Rule Calculator
Numerically integrate f(x) = ax² + bx + c using the trapezoidal rule and compare with the exact result.
f(x) = ax² + bx + c
Trapezoidal Approximation
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Exact Integral
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Absolute Error
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Relative Error
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Step Size (h)
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Number of Points
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Computation Detail
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