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###### Prerna Chaudhary posted an Question
February 01, 2022 • 23:19 pm 30 points
• IIT JAM
• Mathematics (MA)

# 2. which of the folowing sets has a one-one correspondence with n? 1. q 2. (0.1)-i 3. fa 4 nuzuq 3 which of tho fol llo11

2. Which of the folowing sets has a one-one correspondence with N? 1. Q 2. (0.1)-I 3. fa 4 NUZUQ 3 Which of tho fol llo11

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• ##### Kanika goswami 1

all are having one one correspondence with N because all are countable sets. And by definition of countable sets it must have one one correspondence with N. So all are correct options.

ma'am why (0,1) - I is countable....

because it is subset of the set of rational no. Q. And Q is countable so (0,1)-I is also.....okay

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