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3. Find XUY and XnY for the following: (a) X = {0, 2.5} and Y = { 1.3, 5, 7, 9); (b) X = {-1, 2, 17} and Y = {1, 3,5, 7,9); (c) X = Q and Y = { 0, 1, Ï, 1/2h (d) X={z E R | z > 7} and Y = {y E N I z > 5).
3. Find XUY and XnY for the following: (a) X = {0, 2.5} and Y = { 1.3, 5, 7, 9); (b) X = {-1, 2, 17} and Y = {1, 3,5, 7,9); (c) X = Q and Y = { 0, 1, Ï, 1/2h (d) X={z E R | z > 7} and Y = {y E N I z > 5).
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Collen VonLv2
10 Nov 2019