The formula
n(a +ab)
2 gives the partial sum of an arithmetic sequence. What is the formula s...
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Mathematics, 23.03.2021 18:00 kavankp124
The formula
n(a +ab)
2 gives the partial sum of an arithmetic sequence. What is the formula solved for an?
2S-a,
a,=
n2
2S+ an
n
a,= 2S+a, 1+1
O a, = 2S-a, nun
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