Question

2) The sum of first ‘n’ terms and (n-1) terms of an AP is Sn and Sn-1
then the nth term of the same Ap is ________
a) Sn – Sn-1 b)Sn + Sn -1 c) Sn+Sn+1 d) Sn- Sn+1

Answer 1

Answer:

d) sn-sn+1

Step-by-step explanation:

n-1 =n

AP= Sn and Sn-1

= Sn-Sn+1