Find the area of the surface obtained by rotating the curve y = 2x 223 from x = 0 to x 2 about the -axis.

Q: (1). Find an elementary matrix E so that B = EA where %3D [1 0 B= |0 1 -5 16] 7 A=0 1 L-2 0 2 -5

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Q: 4. Fill in the following contingency table with the number of observations that fall into each com-…

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A: