ThIsApPuSeR
ThIsApPuSeR ThIsApPuSeR
  • 23-10-2022
  • Mathematics
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prove that :
[tex] \frac{ |x + y| }{1 + |x + y| } \leqslant \frac{ |x| }{1 + |x| } + \frac{ |y| }{1 + |y| } [/tex]

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