Question

Evaluate the given integral by making an appropriate change of variables. 7 x − 8y 4x...

Evaluate the given integral by making an appropriate change of variables.

7
x − 8y
4x − y
dA,
R

where R is the parallelogram enclosed by the lines

x − 8y = 0,

x − 8y = 3,

4x − y = 3,

and

4x − y = 10

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