Math MCQ - English
Sum of n terms of G.P is
n/2[2a+(n-1)d]
a(1-rn)/(1-r)
2ab/(a+b)
a+b/2
Answer : B
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, G, H are arithmetic, geometric and harmonic means between a and b respectively, then A,G,H are
2) If a,d and Sn are first term, common difference and sum of first nth terms of series, then Sb =
3) Sum of n terms of G.P is
4) If a = 3, r = 2, then nth term of G.P is
5) G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is