Question

If the sum of the first n terms of an A. P. is 4n- n2, What is rhe first term? Find the second term and nth term​

Answer 1

Answer:

The Sum Of " n " Terms Is correct for all the terms in the AP , So If you put n=1 You get Sum of 1 terms which is actually the value of first term a1 . so The First Term Is 3.

Answer 2

Answer:

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