Image: Area transformation for change of variables in double integralsThe change of variables function $\cvarf$ transforms a small rectangle in the $\cvarfv\cvarsv$ plane to a curvy rectangle in the $xy$ plane, changing the area as well as the shape.
Image file: change_variable_area_transformation.png
Source image file: change_variable_area_transformation.svg
Source image type: Inkscape SVG
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