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A custom marking algorithm picks out the names of the constants of integration that the student has used for the $\cos$ and $\sin$ terms in their answer, and replaces them with $A$ and $B$ respectively, before comparing with the correct answer. This way, the student is free to choose the names for their constants of integration.

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You need to calculate elasticities of demand associated to a Stone-Geary utility function.

You need to maximize a Stone-Geary utility function when given the prices for two products and the available budget.

From a given utility function we calculate the corresponding demand functions for two products

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A short quiz on some basic angle measurement conventions.

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