Exercise 1.3 Chapter 1 Number Systems Class 9 Maths NCERT RBSE CBSE
"Download Doubtnut App : https://doubtnut.app.link/G8ZG9tgkZcb For Class 6th to 12th, IIT-JEE (Mains -Advanced) & NEET students. CBSE | UP | Bihar | Maharashtra | Rajasthan | MP aur baaki sabhi State Boards ke har subject - Maths |Physics | Chemistry | Biology | Science ke saare questions/doubts ka milega turant video solution - sirf 5 seconds mein! Downlaod App - https://doubtnut.app.link/G8ZG9tgkZcb GB sir, NJ sir, Akansha Ma’am aur Prince sir jaise Kota ke aur bhi top teachers ke courses aur video lectures IIT-JEE aur NEET ke liye milenge Doubtnut App par, Ab ghar baithe karlo apni exams ki taiyaari pakki :D - https://doubtnut.app.link/G8ZG9tgkZcb More Features : 1) Saari important books milengi solved video solutions ke saath ( NCERT, DC Pandey,HC Verma, Pradeep,RD Sharma, P Bahadur jaisi aur bhi books) 2) Previous year papers, Important PDFs, Question Bank 3) Crash Course, Mock Tests, Quiz 4) India's biggest student's community & much more Toh Aaj hi download kijiye Doubnut app - https://doubtnut.app.link/G8ZG9tgkZcb 3 Crore se zyada bachho ka bharosa!!" Facebook Page : / mannkiganit143 My app Link https://play.google.com/store/apps/de... org code : kopdy app for pc / laptop https://web.classplusapp.com/newApp/s... My Other channels Hindi Medium Channel Vishwakarma Classes : / marsa143 English medium math (Class 6 to 10) Mann Ki Ganit : / @mannkiganit Accountancy Channel : / @mannkiganitaccount PUBG MASTER CHANNEL FOR GAMING : / channel for Competition Classes : / @mannkikhojj All Videos Link Please Join Group My Telegram Group Please Join : https://t.me/joinchat/HUbGviCFb46QhhtM Chapter 1 Number Systems Class 9 Maths NCERT Exercise 1.3 1. write the following in decimal form and say what kind of decimal expansion each has : 2. You know that 1/7 = 0.142857 can you predict what the decimal expansions of 2/7, 3/7, 4/7, 5/7 , 6/7 are, without actually doing the long division? if so, how? 3. Express the following in the form p/q, where p and q are integers and q not equal to 0 (i) 0.66666666 (ii) 0.477777......... (iii) 0.001001001001............. 4. express 0.99999..... in the form p/q are you surprised by your answer ? with your teacher and classmates discuss why the answer makes sence. 5. what can the maximum number of digits be in the repeating block of digits in the decimal expansion of 1/17 ? perform the division to check your answer. 6. look at several examples of rational numbers in the form p/q where p and q are integers with no common factors other than 1 and having terminating decimal representations (expansions). can you guess what property q must satisfy ? 7. Write three numbers whose decimal expansions are non-terminating non-recurring. 8. find three different irrational numbers between the rational numbers 5/7 and 9/11. 9. classify the following numbers as rational or irrational. (i) under root 23 (iii) under root 225 (ii) 0.3796 (iv) 7.478478....... (iv) 1.10100100010000............ व्यायाम १.३ 1. निम्नलिखित को दशमलव रूप में लिखें और कहें कि प्रत्येक में किस प्रकार का दशमलव विस्तार है: 2. आप जानते हैं कि 1/7 = 0.142857 क्या आप अनुमान लगा सकते हैं कि 2/7, 3/7, 4/7, 5/7, 6/7 के दशमलव विस्तार वास्तव में लंबे विभाजन को किए बिना क्या हैं? यदि हां, तो कैसे? 3. फार्म पी / क्यू में निम्नलिखित व्यक्त करें, जहां पी और क्यू पूर्णांक हैं और क्यू 0 के बराबर नहीं है (i) 0.66666666 (ii) 0.477777 ......... (iii) 0.001001001001 ............। 4. एक्सप्रेस 0.99999 ..... के रूप में p / q क्या आप अपने उत्तर से आश्चर्यचकित हैं? अपने शिक्षक और सहपाठियों के साथ चर्चा करें कि उत्तर को क्यों स्पष्ट किया जाता है। 5. 1/17 के दशमलव विस्तार में अंकों के दोहराव ब्लॉक में अधिकतम कितने अंक हो सकते हैं? अपने उत्तर की जांच करने के लिए विभाजन करें। 6. प्रपत्र p / q में तर्कसंगत संख्याओं के कई उदाहरण देखें जहां p और q 1 के अलावा कोई सामान्य कारक नहीं हैं और दशमलव निरूपण (विस्तार) को समाप्त कर रहे हैं। क्या आप अनुमान लगा सकते हैं कि संपत्ति q को क्या संतुष्ट करना चाहिए? 7. तीन नंबर लिखें जिनके दशमलव विस्तार गैर-आवर्ती गैर-आवर्ती हैं। 8. परिमेय संख्या 5/7 और 9/11 के बीच तीन अलग-अलग अपरिमेय संख्या ज्ञात कीजिए। 9. निम्नलिखित संख्याओं को तर्कसंगत या तर्कहीन के रूप में वर्गीकृत करें। (i) रूट 23 के तहत (iii) रूट 225 (ii) 0.3796 के तहत (iv) 7.478478 ....... (iv) 1.10100100010000 ............

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