(D), (a) Let E = Q. Find the set of cluster points of E and prove that E is neither open %3D nor closed in R. (b) Let E = = (0, 00). Show that the set E is open in R.
(D), (a) Let E = Q. Find the set of cluster points of E and prove that E is neither open %3D nor closed in R. (b) Let E = = (0, 00). Show that the set E is open in R.
(D), (a) Let E = Q. Find the set of cluster points of E and prove that E is neither open %3D nor closed in R. (b) Let E = = (0, 00). Show that the set E is open in R.
Transcribed Image Text:2. Choose and work either (a) or (b), NOT BOTH.
(a) Let E =0. Find the set of cluster points of E and prove that E is neither open
%3D
nor closed in R.
(b) Let E = (0, 00). Show that the set E is open in R.
Branch of mathematical analysis that studies real numbers, sequences, and series of real numbers and real functions. The concepts of real analysis underpin calculus and its application to it. It also includes limits, convergence, continuity, and measure theory.
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