nth Term of a GP and Three Numbers in GP | JEE 2027 Maths (English)

Free notes + solved JEE problems for this lesson: https://rankdeterminant.com/go/yt-mat... All lessons of this unit:    • JEE 2027 Maths | Unit 6 Sequences and Series   How to find any term of a geometric progression with T n = a r^(n − 1), the b² = ac test for three numbers in G.P., what keeps a G.P. a G.P., why the logs of a positive G.P. form an A.P., products of terms equidistant from the ends, and the topper's trick a/r, a, ar. Two solved JEE-style problems with the classic power traps. Chapters 0:00 Introduction 0:29 What is a G.P.? 1:21 The general term 2:20 Properties of a G.P. 3:22 Terms equidistant from the ends 4:19 Topper's trick: choose the terms symmetrically 5:07 Example 1: which term of 2, 2√2, 4, ... is 128 6:23 Example 2: three numbers in GP, sum 21, product 216 7:48 Quick revision: ar^(n-1), b^2 = ac, and a/r, a, ar A free JEE paper every day and a full JEE Main mock every Sunday: https://rankdeterminant.com/go/yt-dai... Mathematics · Unit 6 · Sequences & Series · Chapter 2 · Geometric Progressions #GeometricProgression #JEEMaths #JEE2027 Narrated with a computer voice.