Question

Also find the sum of the first 15 terms in each case.
If the sum of the first n terms of an AP is 4n-n, what is the first term (remember the first
term 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.​

Answer 1

Answer:

Hope it helps u!!,

Mark me as brainliest