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What is the inverse of y=x^3+x? If there is lead in water and it is put in the microwave will it blow sparks? Is there any age limit in private polytechnic college for diploma in engineering? The fig. below shows 2 shaded rectangles, X and Y, in a square ABCD. Given area X = 18 cm sq & Y = 44 cm sq . Find the area of Square ABCD.? Why is the North Star so bright?