Approximate the double integral of f(x,y)=x+8y over the region R inside the circle (x-3)2+(y-2)² = 1 using the 7 3 5 partitions x = 2, 3, 4 and y=1. 2, 3 with (xYk) the center (centroid) in the kth subrectangle (provided the 2' subrectangle lies within R). The approximate value is

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