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Given an arithmetic sequence {An} such that (Ak-m) + (Ak+3m) = -72. Find Ak+m.

Guest May 29, 2016

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Best Answer

If (Ak - m) + (Ak + 3m) = -72

then: 2Ak + 2m = -72

and: Ak + m = -36

geno3141 May 29, 2016

geno3141 · Answer 1 · 2016-05-29T12:46:21

If (Ak - m) + (Ak + 3m) = -72

then: 2Ak + 2m = -72

and: Ak + m = -36