3x 4x + 6y R y = 0, 3x Y = 8, 4x + 6y = 1, Round your answer to four decimal places. This can be done directly with a tedious computation, or can be done with a change of variables to transform the parallelogram into a rectangle. Hint: Let u = 3x - y and v= 4x + 6y. Find 3x S - - Y -dA, where R is the parallelogram enclosed by the lines 4x + 6y = 6.

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