Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §14.2 Change to Better Coordinates, #13 · Multivariable Calculus · Change of variables

… has straight sides …, …, …,

Change four-sided regions to squares.

$R$ has straight sides $y = 2 x$ , $x = 1$ , $y = 1 + 2 x$ , $x = 0$ . Locate its four corners and draw $R$ . Find its area by geometry.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §14.2 Change to Better Coordinates, #13

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