Cartesian System of Rectangular Coordinates | Class 12 Maths (311) Lecture 01 | By Mohit Sir

Welcome to Class 12 NIOS Maths (311) – Lecture 01 In this session, Mohit Sir explains Chapter 1: Cartesian System of Rectangular Coordinates in a simple and exam-oriented way. This chapter is the foundation of Coordinate Geometry and is very important for NIOS April 2026 & October 2026 examinations. 📚 Chapter Details: 🔷 Subject: Mathematics 🔷 Subject Code: 311 🔷 Class: 12 (NIOS – Senior Secondary) 🔷 Chapter Name: Cartesian System of Rectangular Coordinates 🔷 Lecture Number: 01 🔷 Teacher: Mohit Sir 🎯 Topics Covered in This Lecture: ✔ What is a Cartesian System? ✔ X-axis, Y-axis & Origin ✔ Cartesian Plane & Rectangular Coordinates ✔ Coordinates of a Point (x, y) ✔ Quadrants & Signs of Coordinates ✔ Basic Introduction to Distance Formula ✔ Important points for NIOS exams 🧮 Why This Topic Is Important? This chapter is the base of Coordinate Geometry. Without understanding the Cartesian System, you cannot study: ▶ Distance Formula ▶ Section Formula ▶ Equation of Line ▶ Conic Sections (Circle, Parabola, Ellipse, Hyperbola) 📝 Recommended Playlist: 📂 Class 12 Maths 311 Full Chapter Playlist: (Playlist link once available) Class 12 NIOS Maths 311 Cartesian System of Rectangular Coordinates Rectangular Coordinates Class 12 Coordinate Geometry Chapter 1 NIOS Maths April 2026 NIOS Maths Lectures Mohit Sir NIOS Class 12 Maths 311 Cartesian Plane and Quadrants #NIOS #Class12Maths #Maths311 #CartesianSystem #CoordinateGeometry #NIOSApril2026 #MohitSir #RectangularCoordinates #NIOSMathsLecture If you find this lecture helpful, please LIKE, SHARE & SUBSCRIBE our channel for more lectures, notes, live classes, and exam preparation guidance.