Math MCQ - English
If a,d and Sn are first term, common difference and sum of first nth terms of se
Home | Discussion Forum
If a,d and Sn are first term, common difference and sum of first nth terms of series, then Sb =
n/2[2a+(n-1)d]
n/2[a+(n-1)d]
n/[2a+(n-1)d]
a+(n-1)d
Answer : A
View More Related Question
1) If a,d and Sn are first term, common difference and sum of first nth terms of series, then Sb =
2) If A, G, H are arithmetic, geometric and harmonic means between a and b respectively, then A,G,H are
3) Sum of n terms of G.P is
4) G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is
5) 5th term of G.P 3,6,12,… is
