Number theoryDifficulty 2.0Find the answerUKMT Senior Mathematical Challenge · United Kingdom · 2023
The expression 2n+37n+12 takes integer values for certain integer values of n. What is the sum of all such integer values of the expression?
(A) 4 (B) 8 (C) 10 (D) 12 (E) 14
The source for this one didn't record the answer, so there is nothing to check what you type against. Work it on paper and mark yourself against the solution below.