Q80
In an AP, Sp = q, Sq = p and S denotes the sum of first r terms. Then, Sp+q is equal to
A.
0
B.
– (p + q)
C.
p + q
AnswerD.
pq
Answer: Option C
Solution
Answer: Option C
Solution:
In an A.P. Sp = q, Sq = pSp+q = Sum of (p + q) terms
= Sum of p term + Sum of q terms
= p + q