Square of Numbers Like 9, 99, 999, 9999 | Super Fast Trick | Class 10 Maths | Teach Tech

📚 Welcome to Teach Tech – Learn Maths the Smart Way! In this video, Mahadeo Bhopte Sir explains the fastest short trick to square any number that has all digits as 9 like 9², 99², 999², 9999² etc. This trick is extremely helpful for Class 9, 10, 11 & 12 students of CBSE and State Boards and even for competitive exam aspirants. 🧠 What You'll Learn in This Video: Square of 9 = 81 Square of 99 = 9801 Square of 999 = 998001 Square of 9999 = 99980001 General formula or trick for 9, 99, 999, 9999... ✨ Trick Formula (Pattern): For n number of 9s: Square of 999…9 = (number of 9s - 1 times 9) followed by 8, then followed by (number of 0s = number of 9s - 1), then 1 👉 Example: 999² → (9)(8)(0)(1) = 998001 9999² → 99980001 🎯 Why You Should Watch This Video: Super Fast Calculation without Pen Helps in Mental Maths, Board Exams, and NTSE Based on Logical Pattern and Vedic Maths Saves time in Class Tests and Competitive Exams 👨‍🏫 About the Teacher: My name is Mahadeo Bhopte, and I teach Mathematics to Class 9 to 12 students in English medium (CBSE & State Board). I have created the YouTube Channel "Teach Tech" which has over 6 lakh subscribers. I simplify tough Maths concepts into easy tricks and explanations. 📚 Useful for Students Preparing With: NCERT RS Aggarwal RD Sharma CBSE Sample Papers Maharashtra Board Books NTSE, NDA, SSC, RRB 🔔 LIKE, SHARE & SUBSCRIBE to support the channel and never miss such magical Maths tricks! 📝 More Videos to Watch: Square of numbers ending in 5 Vedic Maths tricks Multiplication shortcuts Cube of any number in seconds 📢 Stay Connected: 📌 YouTube: Teach Tech 📌 Instagram: @teachtechmaths 📌 Telegram: Teach Tech Maths Official #TeachTech #MathsTrick #SquareOfAll9s #Class10Maths #CBSEMaths #MathsShortTrick For Class 6 to 12 Complete Course ,Free Notes/MCQ , Assignment कक्षा 9 से 12 वी, सम्पूर्ण हल हिन्दी/English माध्यम निम्न प्रकार उपलब्ध है:-(Class 9 to 12th, 100% Solution, Hindi/English Medium, Available as Follows) Online Package की उपलब्धता : To download our Teach Tech app from play store Click here : https://1lzl.short.gy/waO1uA To download Practice Question Paper https://1drv.ms/b/s!AivYntnPu4zw1jaI9... Offline Package की उपलब्धता : SD Card – Android मोबाइल/ Tab के लिए Pendrive – कंप्यूटर/ लेपटॉप के लिए For more Details Contact us: www.teachtech.in/ Cell: 7879334333, 9907035018 #TeachTech #SquareOf999 #VedicMaths #Class10Maths #MathsShortTrick #MathsWithMahadeoSir #FastMathsTricks #CBSEMaths #StateBoardMaths #9999SquareTrick #MentalMaths #LearnMathsFast #RDSharmaTricks #RSAggarwalSolutions #NCERTMaths #NTSEMaths #MathsYouTubeIndia #ShortMathTricks #MathsHacks #BoardExamTrick