Question

If S n is the sum of first n terms of an AP, the n term for n1, (or the general term) An =​

Answer 1

Answer:

$\huge{\tt{\red{}\green{A}\purple{N}\pink{S}\blue{W}\orange{E}\red{R}}}$

Let  a be the first term and d be their common difference of the AP.

Then, Sum to n terms of  an AP =2n(2a+(n−1)d)

Clearly, we get Sn by adding the nth term to the sum Sn−1 

So Sn=Sn−1+Tn

∴nth term is Sn−Sn−1

Answer 2

Here is your answer:-

Refer to the attachment for details:-

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