CSIR NET
Diki doma sherpa Sherpa Asked a Question
January 20, 2021 9:45 pmpts 30 pts
  • CSIR NET
  • Mathematical Sciences

Please kindly help me understand it.

please kindly help me understand it..... why is S not an interval out here ...if we consider the union of these two intervals we get an interval too.....right? or do we have some other explanation to it?
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  • Anamika singh
    S=[1,2] U [2,3] = [1,3]
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    Anamika singh
    that is, all rational and irrational number from 1 to 3 must be belongs to [1,3]
  • Satpal singh thankyou
    there is mistake in the book
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  • Satpal singh thankyou
    S must be
    • cropped4012107082413461485.jpg
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  • Satpal singh
    see this
    • cropped1059710006317398915.jpg
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