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Unformatted text preview: { a,b,c } . We dene an operation using the following table: a b c                    a b a c b a c b c c b a a) Is this operation commutative?Explain your answer. b) Is this operation associative?Explain your answer. 1 Problem 5. Check if the following operations are associative: a) a * b = 2 ab b) a * b = ab + 5 c) a * b = a + b + ab 2...
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 Spring '08
 MULLEN
 Math

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