Two numbers A and B are given by A=2×11 and B=2×3×5×13.
Represent A×B as a product of its primes.
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Q2
2,3,13,5,7,74,11,13,?
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Q3
If A={2,3,5,7,11,13}, B={5,7,9,11,15} are the subsets of U={2,3,5,7,9,11,13,15}, verify De Morgan's laws.
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Q4
If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following are subsets of U. B = {2, 4} A = {0} C = {1, 9, 5, 13} D = {5, 11, 1} E = {13, 7, 9, 11, 5, 3, 1} F = {2, 3, 4, 5}
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Q5
−75+(2−11+−1325)=(−75+2−11)+−1325 This property is