Question

If the sum of the first n terms of an AP is 4n-n, what is the first term (that is S,)? What
is the sum of first two terms? What is the second term? Similarly, find the 3rd, the 10th and
the nth terms.
2 terms,
terms.​

Answer 1

Answer:

Just Think The Given Equation Of 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