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Earth to MarsĀ 

A Self-Study Website

Multivariable Calculus

Multivariable Calculus is the differentiation and integration of functions involving several variables, rather than just one. It is used in regression analysis to derive formulas for estimating relationships among various sets of empirical data.

Book resources 

Video Resources

Section 15.1 - Double Integrals over Rectangles

Section 15.3 - Double Integrals in Polar Coordinates

Section 15.4 - Applications of Double Integrals

Section 15.9 - Change of Variables in Multiple Integrals