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The kth term of an arithmetic sequence is m, and the mth term is equal to k, where m != k. Find the common difference of the sequence.

UNITED STATES / OCT 16, 2018 12:30 PM EST



f.y.

UNITED STATES / OCT 16, 2018 12:54 PM EST
If n! = k ... then k = 1+ n!/(2×(n! + k-1))

UNITED STATES / OCT 16, 2018 12:35 PM EST