If an = 3 – 4n, show that a1, a2, a3,… form an AP. Also find S20. … form an AP. Also find S20. a^3 a2 If an = 3 – 4n Show that a1 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
