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Question
Consider two whole numbers a and b such that a is greater than b.
(i) Is a – b a whole number ? Is this result always true ?
(ii) b-a a whole number ? Is this result always true ?
Solution
Let us take a as 2 and has 1
(i) a – b = 2 – 1 = 1,
Yes, a – b is a whole number and the result will always remain the same.
(ii) b – a = 1 – 2 = -1
No, a – b can never be a whole number. Yes, the result always be true.
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