Find an example to each of the following: a) Sequences {Xn} and {Yn} such that they are both divergent and {Xn+Yn} to 5 b) An open interval such that it contains exactly one integer and two rational numbers in the form (odd integer)/2 c)An infinite unbounded set that contains no interval. d) A one-to-one correspondence from (0,2) to (-8,-7)

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Q: part ii and iii, thank you

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