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02 Oct 2023, 23:36
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sldisek783
Both options are sufficient. C
n = m(x) x is an integer
m = 5.5 (y) y is an integer
n = 5.5 (xy) if x and y are integers then xy is an integer
xy can be 1 hence not divisibke.
03 Oct 2023, 00:05
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i would say it is E
if xy is even then we get 5.5 xy as integer
if xy is odd then it is not integer
if xy is even then we get 5.5 xy as integer
if xy is odd then it is not integer
03 Oct 2023, 00:22
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Yes. E. Answer is not definite
