In an AP, if Sn = 3n^2 + 5n and ak = 164, find the value of k. find the value of K. if Sn = 3n^2 + 5n and ak = 164 In an AP November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related