Let A and B be two sets of real numbers. Which one of the following identities is true? O A = (Anø)n (AUB) O A = (Anø)U (AUB) A = (AJ Ø)n (AUB) OA = (AUØ)U (AUB)

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A:

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Q: for AUB unih AG B inderser for is not unusual.) Then, A+B= B+ A A B= B A A (B+ C) = A B+ A C A+Ø= A…

A: In this question we need to explain about the underlined symbols ∪ ,   ∩  ,   ϕ  .

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A: See solution below

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Q: .) Perform the following  A. (3+4 i  ) + ( 7+5i) B.) (9+17i ) -(13-i)

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A: identity property of zero

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Q: 7. Write each expression in the form of a+ bi -V-27 +5V- 81 – 343 – V64 b. -9--27-2-729 – V49 c. -3…

A: According to question given :(a) --273+5-81-3433-64We know that -27=-33,81=92 , 343=73,…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.