# Concept derivation guides

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

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Concept guide



## [Coordinate gradients, stationarity and differentiability](/en/derivations/derivation-mko-gradient-vector-01/?from=%2Fen%2Fderivations%2F%3Fq%3Dmko-gradient-vector)

Compute the gradient of a specified bivariate polynomial and audit two false inferences.

Gradient vector

derivation-mko-gradient-vector-01





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