If the first term of an AP is p and last term is q, then sum of n terms is : 1
A. \(\frac{n}{2}\)(P + q)
B. \(\frac{n}{2}\)(p – q)
C. (p + q)
D. (- p – q).
Answer:A
If the first term of an AP is p and last term is q, then sum of n terms is : 1
A. \(\frac{n}{2}\)(P + q) B. \(\frac{n}{2}\)(p – q) C. (p + q) D. (- p – q).