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About Integral Calculus's question. The text book I used is "Advanced calculus" by Folland. Chapter 1
About Integral Calculus's question. The text book I used is "Advanced calculus" by Folland. Chapter 1
maybe helpful. The questions, PDF of the "Advanced calculus" 's solution manual are in the attachments. After I accpeted the solutions, I will give the amount $65 as tips.
1 Solutions to the Assignment1. (a) R/N is open but it is not closed. We can write(n, n + 1)) ∪ (−∞, 0) R/N = (n∈N We see that it is infinite union of open intervals , hence open. But...