Assume that for every positive integer i, A₁ = (-i, i), that is the set of real numbers x with -i < x < i. a) Write the first 3 of these indexed sets. b) Determine A2 - A1, expressing the result using interval or set builder notations. c) Find U₁₁ A¿ and ſ₁₁ A¿

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Q: 1. Assume that for every positive integer i, A¡ = (-i, i), that is the set of real numbers x with…

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