Find given the consecutive terms of an arithmetic progression:
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
Find k given the consecutive terms of an arithmetic progression:
(1) 32, k, 3
(2) k, 7, 10
(3) k, 2k−1, 13
(4) k, 2k+1, 8−k
(5) 2k+7, 3k+5, 5k−4
(6) 2k+18, −2−k, 2k+2
(7) k, k2, k2+6
(8) 5, k, k2−8
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