3. the sum of the first n terms of an ap is sn where sn = n²- 3n. write down the fourth
term an...
Mathematics, 14.01.2020 20:31, pineappledogpie4970
3. the sum of the first n terms of an ap is sn where sn = n²- 3n. write down the fourth
term and then nth term.
Answers: 2
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