Partial derivatives - set theory, Mathematics

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Partial Derivatives

Partial derivatives are used while we want to investigate the effect of one independent variable on dependent variable. For illustration, the revenues of a farmer may depend on two variables that is; the amount of fertilizer applied and as well the type of the natural soil.

Assume ∏= 30x²y + y² + 50x + 60y

Whereas ∏ = annual revenue in £ '000'

x = type of soil

y = amount of fertilizer applied

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