The sum of the first n terms of an AP is given by Sn, = 3n^2 - 4n. Determine the AP and the 12th term.

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answered Feb 2, 2018 by Vikash Kumar (144,729 points)

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The sum of the first n terms of an AP is given by Sn, = 3n^2 - 4n. Determine the AP and the 12th term.

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