Use the given transformation to evaluate the integral. double integral (4x+8y)dA, where R is the parallelogram with vertices (-1,3), (1,-3), (3,-1) and (1,5); x=1/4(u+v), y=1/4(v-3u)
Use the given transformation to evaluate the integral. double integral (4x+8y)dA, where R is the parallelogram with vertices (-1,3), (1,-3), (3,-1) and (1,5); x=1/4(u+v), y=1/4(v-3u)