Question: consider the following sets: U = {-5, -4, -3, -2, -1,0,1,2,3,4,5}, A = (x: x2 = 25}, B = {-5, 0,1,2,3,4,5} C = (x: x2

consider the following sets: U = {-5, -4, -3, -2, -1,0,1,2,3,4,5}, A = (x: x2 = 25}, B = {-5, 0,1,2,3,4,5} C = (x: x2 - 5x + 6 = 0}. a. What is An B? b. Which is equal to B\\C? c. Which set is equal to (B\\A) ? d. What is the cardinality of a countably infinite set

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