Answer the following questions on geometric progressions:
MATHEMATICS · Subjective · CBSE · Mathematics · Sequences and Series · Sequences and Series
Problem
Answer the following questions on geometric progressions:
(i) Define a geometric progression (G.P.).
(ii) What is meant by the common ratio of a G.P.? Explain how it can be obtained from the terms of the progression.
(iii) Write the general expression for the n th term of a G.P. in terms of its first term and common ratio, and give a brief justification for this formula.