Write an iterated integral for and x = 243 using a. vertical cross-sections, b. horizontal cross-sections. a. Write the correct iterated integral using vertical cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice. O A. O B. O A. s sa O B. dx dy s so dy dx b. Write the correct iterated integral using horizontal cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice. S Sa dx dy dA over the region R bounded by y = = 5√x, y=0, R s sa dy dx

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