1. Show that the sum of (m + n)^th and (m – n)^th terms of an A.P. is equal to twice the m^th term. 1. Show that the sum of (m + n)^th and (m – n)^th terms of an A.P. is equal to twice the m^th term. October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related