Question

Write wheather every positive integer can be of the form 4q + 2 , whare qis an integer. Justify your answer.
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Answer 1

Answer:

Let a be a given positive number. On dividing a by 4, let q be the quotient and r be the remainder. It is clearly shown that 2q+1 is divisible by 2. Therefore,4q+2 is a positive integer

Answer 2

Answer:

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