Math MCQ - English
If a,d and Sn are first term, common difference and sum of first nth terms of se
Home | Discussion ForumIf 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
Sponsored Ad
Feel free to find and hire your online essay writer to help you with papers. AdvancedWriters will not let you down.
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 = 3, r = 2, then nth term of G.P is
3) 5th term of G.P 3,6,12,… is
4) If A, G, H are arithmetic, geometric and harmonic means between a and b respectively, then A,G,H are
5) G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is