d=3 and we have to find sn

pls correct the question

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d=3 and we have to find sn

pls correct the question

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An = 50

a = 5

So, n = 50/5 = 10

But Sn is not possible to calculate as S is not given

a = 5

So, n = 50/5 = 10

But Sn is not possible to calculate as S is not given

Ur question is incorrect

is it an or a^n

is it an or a^n