# Concept derivation guides

299 concept teaching guides, separate from the 36,000 individual question derivations.

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Concept guide



## [Nonuniform trapezoids and signed error](/en/derivations/derivation-mko-trapezoidal-quadrature-01/?from=%2Fen%2Fderivations%2F%3Fq%3Dmko-trapezoidal-quadrature)

For f(x)=x^2 and nodes (0,1/2,2), compute T, I-T and absolute error.

Composite trapezoidal quadrature

derivation-mko-trapezoidal-quadrature-01





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