1. Let A be the region enclosed by the curves y = r² + 1, y = (2x – 1)² and r = 1. 2 ty y = x² +1 (2r – 1)? Write down the integral that represents the area of region A and calculate the integral.

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Q: Find the area of the region bounded by x = and the y-axis using the horizontal strip. 2y²+1

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