Consider the area shown below. The top curve (in blue) is y = V7, and the bottom curve (in red) is y = r", and we have used the notation Dy for Ay (Click on the figure for a larger version.) Write a Riemann sum for the area, using the strip shown: Riemann sum = E Now write an integral that gives this area where a = and 6= Finally, calculate the exact area of the region, using your integral area =

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