SOLUTION: Determine all integers k such that {{{k^3+k+1}}} is divisible by 11.
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-> SOLUTION: Determine all integers k such that {{{k^3+k+1}}} is divisible by 11.
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Question 1019374
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Determine all integers k such that
is divisible by 11.
Answer by
richard1234(7193)
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You only need to check k = 0, 1, ..., 10 (this isn't too hard to check manually). If k works, then anything congruent to k (mod 11) will also work.