Let a, b, c and d be positive rationals such that a+√b = c+√d, then prove that either a=c and b=d or

  Рет қаралды 17,718

Focus Classes - Maths 9 & 10

Focus Classes - Maths 9 & 10

Күн бұрын

Пікірлер: 70
@kajuskitchen
@kajuskitchen 4 жыл бұрын
Respected Sir, do these type of questions really posses a probability to appear in exams?
@FocusClasses
@FocusClasses 4 жыл бұрын
No not this time Thank you so much for watching our video🙏🙏🙏😊 I hope you would love watching these videos as well😊 Extra Questions (Most Important Questions) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT
@madhuridongre891
@madhuridongre891 Жыл бұрын
Ok
@e4envyyy.x
@e4envyyy.x 8 ай бұрын
Respected sir,do these type of questions have the possibility to come in 2024 baord exam?
@arnavsingh6770
@arnavsingh6770 Ай бұрын
no they dont, its for preparation of exams like ftre and viq
@Aparna77161
@Aparna77161 Жыл бұрын
Saraa yh Wale q exam mai ate hai kya sqp 2023 arihant ka question hai yh
@khyatishah1776
@khyatishah1776 8 ай бұрын
Very nicely explained.. Thank you sir
@ShivaniSingh-ql5ib
@ShivaniSingh-ql5ib 3 жыл бұрын
Superb explanation sir keep it up...!!!!🙏🙏 It's my very humble request to solve this problem given below 👇👇 Let a and b be any two positive integers. Show that √2 always lie between a/b and a+2b/a+b. I hope that you will give your precious time to this question as well🙏...!!!!
@FocusClasses
@FocusClasses 3 жыл бұрын
Soon I will upload that question😊 Thank you so much for the compliment 🙏🙏🙏🙏😊 Could you please SHARE our Videos/Channel with your friends? I hope they would also love watching these videos😊 Extra Questions (Most Important Questions for Class-10 Board Exam) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT Chapter-15: Probability 👉rb.gy/9q9dhy
@chillbruh3010
@chillbruh3010 Жыл бұрын
Do we get this type of question for this year exam
@FocusClasses
@FocusClasses Жыл бұрын
Yes can be asked
@mohitgarg3294
@mohitgarg3294 3 жыл бұрын
Thanks sir
@rimpisingla8172
@rimpisingla8172 4 жыл бұрын
Thnq 4 explaining this ques so simply....
@FocusClasses
@FocusClasses 4 жыл бұрын
Thank you so much for your so motivating words🙏🙏🙏😊 I hope you would love watching these videos as well😊 Extra Questions (Most Important Questions) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT
@gudivadadamu672
@gudivadadamu672 2 жыл бұрын
I have a doubt how we got √b as a rational number could you please explain about it in a comment section
@odidefeatedtotoaftereating3498
@odidefeatedtotoaftereating3498 9 ай бұрын
Sir par aapne to phle hi b ko rational maan liya...phir √b rational prove kisliye kra?
@GameX1209
@GameX1209 3 ай бұрын
Dekho bhai question Mai diya Gaya Hai ki b rational Hai but b rational Hai tho √b rational hoga ya nahi bhi ho sakta Hai (for example: take any rational number like 2 but √2 is not rational) isliye sir ne √b ko rational prove kiye the
@saumyagurnani8953
@saumyagurnani8953 3 жыл бұрын
Sir .. Should we also take the case where a is greater that c and a +k =c or only one case is enough to prove .
@FocusClasses
@FocusClasses 3 жыл бұрын
No, here plus or minus doesn't make a difference 😊 Thank you so much for your watching our video 🙏🙏🙏🙏😊 Please share our videos with your friends😊 I hope you would love watching these videos as well😊 Extra Questions (Most Important Questions) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT
@saumyagurnani8953
@saumyagurnani8953 3 жыл бұрын
@@FocusClasses Ok sir, Thankyou
@padhoaurpadhao4748
@padhoaurpadhao4748 3 жыл бұрын
Sir nice explanation
@snehajoshi388
@snehajoshi388 3 жыл бұрын
Sir, do this type of question will come in board exams??
@FocusClasses
@FocusClasses 3 жыл бұрын
Not this time😊
@adityabajpai1952
@adityabajpai1952 4 жыл бұрын
Sir please provide us important question of math standard
@padhoaurpadhao4748
@padhoaurpadhao4748 3 жыл бұрын
Sir kya yeh boards 2021-2022 mein aa skta h??
@FocusClasses
@FocusClasses 3 жыл бұрын
Yes it's really very important question Thank you so much for your being with us 🙏🙏🙏🙏😊 Would you please share our videos with your friends...? 😊 I hope you would love watching these videos as well😊 Extra Questions (Most Important Questions for Class-10 Board Exam) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT Chapter-15: Probability 👉rb.gy/9q9dhy.
@KRITHEESH-it7un
@KRITHEESH-it7un Жыл бұрын
k is any not any rational no. it is a non zero rational no.
@sitarajput8312
@sitarajput8312 Жыл бұрын
Very good explanation. 💐
@FocusClasses
@FocusClasses Жыл бұрын
Thanks for liking
@lyonechka
@lyonechka Жыл бұрын
Sir thank you so much, sir also thank you for making random questions other than ncert.🙏
@studyforthepathofsuccess3280
@studyforthepathofsuccess3280 Жыл бұрын
Sir wil this type of question will come in 2022-23 board exam?
@yusrakounain560
@yusrakounain560 Жыл бұрын
Yesss
@yusrakounain560
@yusrakounain560 Жыл бұрын
Sir basic mai aaskta h
@FocusClasses
@FocusClasses Жыл бұрын
No...
@yusrakounain560
@yusrakounain560 Жыл бұрын
@@FocusClasses sir educart mai basic ke sqp mai h
@FocusClasses
@FocusClasses Жыл бұрын
Basic के level से ऊपर he
@ajaymixing
@ajaymixing 3 жыл бұрын
After watching your vedio sir , this question is crystal clear to me...... Awesome explanation.....🤩👍👍👍
@FocusClasses
@FocusClasses 3 жыл бұрын
Thank you so much for the compliment 🙏🙏🙏🙏😊 Would you please share our videos with your friends...? 😊 I hope you would love watching these videos as well😊 Extra Questions (Most Important Questions for Class-10 Board Exam) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT Chapter-15: Probability 👉rb.gy/9q9dhy
@proudantifeminist3269
@proudantifeminist3269 3 жыл бұрын
@@FocusClasses SIR PLZ BTADO YEH BOARDS MEIN AAEGA SIR PLZ PLZ
@FocusClasses
@FocusClasses 3 жыл бұрын
Yes... this is important for boards😊
@thebharatswabhiman4707
@thebharatswabhiman4707 4 жыл бұрын
Waah sir Sir vaise ye kis book ka question hain
@FocusClasses
@FocusClasses 4 жыл бұрын
Thanks a lot for watching our video...... Anyway this is from RD Sharma 🙏🙏🙏😊
@Dracomalfoy_69
@Dracomalfoy_69 4 жыл бұрын
Yes
@Rohitkumar-kr8bl
@Rohitkumar-kr8bl 4 жыл бұрын
If a student had walked 1 km/hr faster, he would have taken 15 minutes less to walk 3 km. Find the rate at which he was walking Sir please explain
@FocusClasses
@FocusClasses 4 жыл бұрын
Here is your question please watch it kzbin.info/www/bejne/fWSboaSFmNOFrJo Thank you so much for watching our video 🙏🙏🙏😊
@j.sbhoopesh3330
@j.sbhoopesh3330 4 жыл бұрын
Thankyou
@FocusClasses
@FocusClasses 4 жыл бұрын
Thanks a million 🙏🙏🙏😊
@gxthxm.__
@gxthxm.__ 4 жыл бұрын
thank you sir
@FocusClasses
@FocusClasses 4 жыл бұрын
Thanks for your precious time with us 🙏🙏🙏😊
@krishandevi3186
@krishandevi3186 Жыл бұрын
Question from sample paper 2023 arihant
@DeepaliDwivedi
@DeepaliDwivedi Жыл бұрын
Arihant ka maths basic ya standard
@cloud-ff-gaming5557
@cloud-ff-gaming5557 Жыл бұрын
@@DeepaliDwivedi standard
@tanayjana6320
@tanayjana6320 3 жыл бұрын
Neha rajoria 325 birth
@FocusClasses
@FocusClasses 3 жыл бұрын
Sorry?
@pervezakhtar1133
@pervezakhtar1133 4 жыл бұрын
Will this type of question come in boards???
@sahilbubna1667
@sahilbubna1667 4 жыл бұрын
Bhaii ye board me aaya hua h question 1998 2000 2014 board me isliye ye question aa skta h aur ye question me ncert class 10 ka hi concept lga h isliye out of syllabuss nhi hh 😍😍😍😍
@FocusClasses
@FocusClasses 4 жыл бұрын
Yes it's an important question 😊 Thank you for your time with us 🙏🙏🙏😊
@FocusClasses
@FocusClasses 4 жыл бұрын
Thank you for your help😊🙏🙏🙏
@sureshtewarilamgara49
@sureshtewarilamgara49 9 ай бұрын
Very nice explanation sir❤
@FocusClasses
@FocusClasses 9 ай бұрын
Thank you so much 🙏🙏🙏🙏😊 Here is my new KZbin Channel Please Subscribe to it youtube.com/@FocusClassesMaths8?si=mjWt8heNeYLUzkCG 🙏😊
@ashokkumarsingh4687
@ashokkumarsingh4687 2 жыл бұрын
First I was too afraid to even watch this solution's video but sir u really nailed it!!! I understood it very well..👍😊☺️
@aroundclasses5608
@aroundclasses5608 4 жыл бұрын
Sir please make video of question 5 of 11.2 . Sir please provide solution according to 10 level as soon as possible
@FocusClasses
@FocusClasses 4 жыл бұрын
Here is the solution For more videos chapter wise go to my playlist kzbin.info/www/bejne/oqnXeKZ4lKiWes0 Thanks for watching our video(s) 🙏🙏🙏😊
@sumedhhuilgol1432
@sumedhhuilgol1432 4 жыл бұрын
Deepak sir i didnot know a question like this will come in real numbers. But you solved it so easily........... Thank you Deepak Sir
@FocusClasses
@FocusClasses 4 жыл бұрын
Thank you very much dear Sumedha for being with us 🙏🙏😊 all the best for exam tomorrow
@PrajoktaDas
@PrajoktaDas Ай бұрын
Thanks sir
@Dulari38242
@Dulari38242 3 жыл бұрын
Very nice explanation sir 👍🏻
@FocusClasses
@FocusClasses 3 жыл бұрын
Thank you so much for the compliment 🙏🙏🙏🙏😊 Could you please share our videos with your friends...? 😊 I hope they would also love watching these videos😊 Extra Questions (Most Important Questions for Class-10 Board Exam) 👉bit.ly/2JtCBnL Chapter 1: Real Numbers 👉bit.ly/3dIG9k2 Chapter 2: Polynomials 👉bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉bit.ly/2wR6oEi Chapter 6: Triangles 👉bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉bit.ly/2V3RrXJ Chapter 10: Circles 👉bit.ly/2xyBLn3 Chapter 11: Constructions 👉bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉bit.ly/3dLOtiK Chapter 14: Statistics 👉bit.ly/2w2OZrT Chapter-15: Probability 👉rb.gy/9q9dhy
@niksees_
@niksees_ 4 жыл бұрын
Thanks sir
@FocusClasses
@FocusClasses 4 жыл бұрын
Nice to see you here dear🙏🙏🙏😊
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