Class9 Ganita Manjari Part1 Ch3 Page62 Ex3.5 Q3 Rational Irrational Decimal Expansion MathskaSchool

classify rational or irrational numbers Class 9, Exercise 3.5 Q3 Ganita Manjari Part 1, how to identify rational irrational by decimal expansion, rational irrational numbers page 62 Class 9, is 0.33333 rational or irrational, is 1.01001000100001 rational or irrational, Chapter 3 World of Numbers Class 9 solution, decimal expansion method rational irrational Hindi Kya aap jaanna chahte hain ki koi number rational hai ya irrational? Is video mein hum Exercise 3.5 Q3 ka step-by-step solution dekhenge — decimal expansion se rational aur irrational numbers pehchanna sikhenge | Class 9 Ganita Manjari Part 1 Chapter 3 Page 62. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📌 QUESTION (from the book): Classify the following numbers as rational or irrational: (i) √81 (ii) √12 (iii) 0.33333… (iv) 0.123451234512345… (v) 1.01001000100001… (Notice the pattern: Is it repeating a single block?) (vi) 23.560185612239874790120 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ Topics Covered in This Video: What makes a number rational or irrational using decimal expansion (i) √81 — Perfect square → Rational (ii) √12 — Non-perfect square → Irrational (iii) 0.33333… — Recurring (repeating) decimal → Rational (iv) 0.123451234512345… — Repeating block of digits → Rational (v) 1.01001000100001… — Non-repeating, non-terminating → Irrational (vi) 23.560185612239874790120 — Terminating decimal → Rational ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Book Details: Class: 9 Book: Ganita Manjari Part 1 (NEP 2020 / New NCERT) Chapter 3: The World of Numbers Exercise: 3.5 | Question: 3 Page: 62 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⏱️ TIMESTAMPS: 0:00 — Introduction & Question Reading (Q3 Exercise 3.5) 1:15 — Key Rule: Decimal Expansion Method Explained 3:00 — (i) √81 — Rational ya Irrational? 4:20 — (ii) √12 — Rational ya Irrational? 5:40 — (iii) 0.33333… — Repeating Decimal 7:00 — (iv) 0.123451234512345… — Block Repeat Pattern 9:10 — (v) 1.01001000100001… — Tricky Pattern Explained 11:30 — (vi) 23.560185612239874790120 — Terminating Decimal 13:00 — Summary & Quick Revision ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔔 Subscribe to Maths ka School for Class 6–10 Hindi+English video lessons based on new NCERT books! #MathskaSchool #Class9Maths #RationalIrrational #Exercise3point5 #GanitaManjari #Chapter3 #TheWorldOfNumbers #DecimalExpansion #NCERTClass9 #NEP2020Maths #HindiMediumMaths #Class9NCERT #NumberSystem #IrrationalNumbers #RationalNumbers #MathsInHindi #GanitaClass9 #SqrtRationalIrrational #NewNCERT #MathsSolution