The sum of the first n terms of an arithmetic progression is n^2 + 3n. How to show that the terms of the series are in arithmetic progression? - Quora
![RD Sharma Solutions for Class 11 Maths Updated (2023-24) Chapter 19 Arithmetic Progressions download free pdf. RD Sharma Solutions for Class 11 Maths Updated (2023-24) Chapter 19 Arithmetic Progressions download free pdf.](https://cdn1.byjus.com/wp-content/uploads/2020/03/rd-sharma-class-11-maths-ch-19-ex-2-01.jpg)
RD Sharma Solutions for Class 11 Maths Updated (2023-24) Chapter 19 Arithmetic Progressions download free pdf.
![Three consecutive terms of a progression are \( 30,24,20 \). The next term of the progression is... - YouTube Three consecutive terms of a progression are \( 30,24,20 \). The next term of the progression is... - YouTube](https://i.ytimg.com/vi/1IFdWy7UuTs/maxresdefault.jpg)