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Find the pairs of equal sets, if any, give reasons: A = {0}, B = {x : x > 15 and x < 5}, C = {x : x – 5 = 0 }, D = {x: x² = 25}, E = {x : x is an integral positive root of the equation x² – 2x –15 = 0}.
Which of the following pairs of sets are equal? Justify your answer.
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