Real Analysis Lecture 1 | Real Number System |In-Depth Beginner to Advanced | Calcutta University

📘 REAL NUMBER SYSTEM – REAL ANALYSIS (Lecture 01) | COMPLETE INTRODUCTION Welcome to Lecture 01 of the Real Analysis Paper for B.Sc. Mathematics students. In this class, SAFIQUL Sir explains the Real Number System from the absolute basics to an in-depth conceptual level — perfect for university exams under Calcutta University, West Bengal State Universities, All India B.Sc. Maths Courses. --- 📍Topics Covered in This Lecture ✔ What are Real Numbers? ✔ Need of Real Numbers in Mathematics ✔ Development of Number System ✔ Natural, Whole, Integer, Rational, Irrational Numbers ✔ Properties of Real Numbers ✔ Number Line & Completeness Idea ✔ Importance of Real Numbers in Real Analysis ✔ How Real Numbers create the foundation for Limits, Continuity, Differentiability & Integration --- 🎯 Who Should Watch This Video? This lecture is specially designed for: B.Sc. Mathematics (Honours / Program) students Calcutta University students Students of West Bengal State Universities (KNU, RBU, VU, WBSU, NBU, BU, GU, CU, etc.) Competitive exam students who want clarity in Real Analysis --- ✨ Why Learn from Safiqul Sir? Simplified explanation Exam-oriented approach Concept clarity from basic to advanced Handwritten-style logic & tricks Full syllabus coverage for Real Analysis --- 🔔 Upcoming Lectures topics : Properties of Real Numbers Completeness Axiom Bounds, Supremum & Infimum …and many more! --- 📢 Share This Video Share with your friends who are studying B.Sc. Mathematics so they can learn Real Analysis in the simplest and clearest way! #WestBengalUniversity #CalcuttaUniversityMaths #GourBangaUniversity #MaldaCollege #NorthBengalUniversity #WestBengalStudents #WestBengalMathsClasses #WBSUMaths #KalyaniUniversity #MaldaStudents #MaldaCollege #GourCollegeMalda #MaldaMathsClasses #MaldaBScMaths #MaldaEducation #MathematicsLecture #MathsClassOnline #CollegeMaths #MathsSimplified #MathsForBeginners