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Rudhreswaran G posted an Question
January 21, 2021 • 13:27 pm
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30 points
30 points
- IIT JAM
- Mathematics (MA)
Can some one explain this theorem?
Theorem Every limit point of the range set of a sequence is limit point of a sequence. Solution Let S be range set of sequence {a,) i.e. S = range of fa,} Let a e S for &> 0 (a E, a + E) NS{a} has infinite no. of points Let q e (a - &, a + e) N S{a} g e (a-E, a + E) and qe S As eS g a for some k e N So a, e (a E, a + e) Hence, (a E, a + 8) Contains infinite no. of terms of sequence Proved a is limit point of sequence {a} Remark : Areal no. is a limit point of sequenceit appears in the sequence infinite many times or it is the limit point of the range set.
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Rudhreswaran g
can you explain from the step intersection again I can t understand
I already explained u in details with an example. Now u should try to understand this
ok