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43 votes
Find the smallest possible value of x+y so that x^2 − y^2 is divisible by 74, where x and y are positive integers.

User Brian Bulkowski
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1 Answer

23 votes
23 votes

Answer: 2

Explanation:

We know by different of squares, (x-y)(x+y)=74. Since we need to find the smallest possible answer for x+y, we let x+y=2, where both x and y = 1.

User Tim McDonald
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