Irrational Numbers Explained | Full NCERT Exercise 1.4 Solutions | Class 9 Maths

Irrational Numbers Explained | Full NCERT Exercise 1.4 Solutions | Class 9 Maths This video is Lecture 6 of the Class 9 Maths Number System chapter. It gives a complete explanation of Irrational Numbers and solves every question of NCERT Exercise 1.4 in a simple, step-by-step, and exam-oriented manner. Topics Covered: • What are irrational numbers • Difference between rational and irrational numbers • Why √2, √3, √5 etc. are irrational • Non-terminating, non-repeating decimals • Identifying irrational numbers in expressions • Complete NCERT Exercise 1.4 solutions • Class 9 Number System important concepts Exam Tips for Class 9: • Irrational numbers cannot be expressed as p/q — write this clearly • Non-terminating, non-repeating decimals always represent irrational numbers • Square root of a non-perfect square is always irrational • Write concluding statements correctly in every solution • Be careful when simplifying expressions involving square roots Learning Tips: • Practice identifying whether a number is rational or irrational • Learn examples: √2, √3, √5, π, non-terminating non-repeating decimals • Try solving Exercise 1.4 again after watching • Watch the full video without skipping — each question builds understanding Class 9 Crash Course Playlist:    • Class 9 Crash Course   LIKE • COMMENT • SHARE • SUBSCRIBE Your support keeps GS CLASSES alive and motivates us to continue free education. #class9maths #numbersystem #irrationalnumbers #exercise14 #ncertclass9 #sqrt2 #sqrt3 #sqrt5 #gsclasses #mathslearning