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Gnoj
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let n be a-positive integer. Prove that a and c leave the same remainder if and only if a - c =nk for some integer k.
When a problem or equation states "Let n be a-positive integer," it means that the variable n represents a whole number that is greater than zero.
Specifying that n is a-positive integer is important because it helps to narrow down the possible values that n can take on. This makes it easier to solve the problem or equation.
No, n cannot be a negative number if it is specified as a-positive integer. The term "positive" means that the number must be greater than zero, so it cannot be negative.
In mathematical proofs, "Let n be a-positive integer" is often used to introduce a variable that represents a whole number greater than zero. This allows the proof to be generalized for all possible values of n.
An example of a problem that would use this phrase is: "Let n be a-positive integer. If 3 is added to n and then the result is multiplied by 5, the result is 50. Find the value of n."