Mathematics, 13.08.2021 14:00 strevino9178
Let A={1,2,3,4,5,6,7,8}A={1,2,3,4,5 ,6,7,8}. Define a relation ∼∼ on AA by a∼ba∼b if and only if 33 divides a−ba−b for all a, b∈Aa, b∈A. 1. Find all the pairs (a, b)∈A×A(a, b)∈A×A such that a∼ba∼b. 2. Show that ∼∼ is an equivalence relation on AA. 3. Find the equivalence classes [2][2] and [3][3].
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Mathematics, 21.06.2019 16:00
Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).
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Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit
Answers: 1
Let A={1,2,3,4,5,6,7,8}A={1,2,3,4,5 ,6,7,8}. Define a relation ∼∼ on AA by a∼ba∼b if and only if 33 ...
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