Αи αєяο ρℓαиє ƒℓìєѕ ωìτн α ѕρєє∂ οƒ 720κмн. нοω ℓοиg ωìℓℓ ìτ τακє το τяανєℓ α ∂ìѕταиϲє οƒ 360 κìℓοмєτяєѕ? Leaving Goodbye huh take points​

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Explanation:

if the sum of the first m terms of m AP is the same as the sum of its first n terms, show that the sum of its first (m+n) terms is zero.

hello! if you would like i could share a research essay i did a month or two ago!