MATH Ch 1 Sets Class 11 Maths NCERT Ex 1.1 Introduction Posted on 04/29/202104/29/2021 by apho2018 29 Apr In this video you will learn about Sets and their representation ; also about Mathematical sets. apho2018 sslc biology focus area question and answer Reduction of magnetism in extremely thin layers – Ahvaz Physics Club – Session 3