RELATION AND FUNCTION | lecture 03 | Chapter 4 | MCQ 1 to 31 solution | SN Dey | Class-11

Welcome to Independent math! In Lecture 03 of our Relation and Function (Chapter 4) series, we provide detailed, step-by-step solutions for MCQs 1 through 31 from the S.N. Dey mathematics textbook for Class 11. This conceptual breakdown is taught in Bengali and is designed to build a strong foundation for Class 11 board exams (WBCHSE) as well as competitive exams like WBJEE and JEE Mains. 📚 Key Concepts Covered: Evaluating Functions: Solving for specific function values and inputs. Logarithmic & Exponential Functions: Applying properties to solve complex equations. Core Definitions: Understanding what makes a valid function and finding identical functions. Calculating Domains: Finding the valid domain for functions involving square roots. Polynomial Division: Using function notation to find remainders. Geometric Functions: Translating geometric word problems (like cylinders within spheres) into functional equations. ⏱️ Video Timestamps: 00:00 - Introduction & Recap 01:20 - Evaluating Functions & Specific Values 02:43 - Logarithmic & Exponential Function Problems 04:22 - Defining a Function & Core Rules 06:41 - Determining Domain and Identical Functions 24:40 - Calculating Domains for Square Roots 01:00:43 - Polynomial Division and Remainders 01:32:09 - Geometric Function Problems 🎓 About Independent math: This channel is dedicated to providing high-quality, accessible mathematics education. As a mathematics teacher holding a Master's degree in Pure Mathematics from Jadavpur University (JU), my goal is to simplify complex concepts and help you confidently tackle your board and entrance exams. If you found this video helpful, please LIKE, SHARE with your classmates, and SUBSCRIBE to Independent math for more complete S.N. Dey chapter solutions! Tags & Queries: Relation and Function Class 11, S.N. Dey Class 11 Math Solutions Bengali, MCQ 1 to 31 Chapter 4, WBCHSE Math Class 11, Independent math, Evaluating Functions, Domain and Range Class 11, WBJEE Math Preparation, JEE Mains Mathematics. #RelationAndFunction #SNDey #Class11Maths #IndependentMath #WBCHSE #WBJEE #JEEMains #MathSolutionsBengali #FunctionClass11