SEQUENCES AND SERIES Chapter 8
#sequences_and_series
Miscellaneous Exercise QUESTION 2.
The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.
Miscellaneous Exercise QUESTION 3.
The first term of a G.P. is 1. The sum of the third term and fifth term is 90. Find the common ratio of G.P.
Miscellaneous Exercise QUESTION 4.
The sum of three numbers in G.P. is 56. If we subtract 1, 7, 21 from these numbers in that order, we obtain an arithmetic progression. Find the numbers.