R.3. Let [a, b] be an interval on the real number line (with a < b). Prove that a,b]-[0,1].

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A: Note: We are allowed to solve three subparts at a time so upload remaining parts as next question.

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Q: a. Find a reduced residue system modulo 15. b. Find the multiplicative inverse of each residue.

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Q: 3) Let S be o st defined os follow s: 05 Deter mire ue ther S is o con vea set or not.

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Q: Part 2. Prove that the following are equivalent A. by Constructing a truth table 1. [p V (~p ^q)] +…

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