Give the rational numbers whose: (i) difference is a rational number. (ii) sum is a rational number. (iii) product is a rational number. (iv) division is a rational number. Justify also.
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0 is the answer example -
0-0=0
0+0=0
0×0=0
0÷0=0
and 0is a rational number
0-0=0
0+0=0
0×0=0
0÷0=0
and 0is a rational number
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