Find Domain and Range of the Function Class 11 Maths NCERT SYLLABUS 2019 Q5

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  • Опубликовано: 29 сен 2024
  • Chapter 9 Sequence and Series • 11th Class Sequences a...
    Chapter 8 Binomial Theorem • 11 Class Binomial Theorem
    Chapter 7 Permutation and Combination • 11 class Permutations ...
    Chapter 6 Linear equalities • 11 class linear Inequa...
    Chapter 5 Complex number • 11th class Complex Number
    Chapter 4 PMI • 11th Class PMI
    Chapter 2 Relations and Functions • 11th class Relation an...
    Chapter 3 Trigonometry • 11th Class Trigonometry
    Chapter 1 Sets • 11th Class Sets
    class 11 relation and function,find the domain of a function,find the domain and range of a function,find the domain of a rational function,how to find domain and range of a function,how to find the domain of a rational function,how to find domain and range of a function graph,domain of sqrt(9-x^2),domain and range of a function,domain range function,class 11 maths in hindi,class 11 maths,up board class 11 maths in hindi,up board class 12 maths in hindi,rajsthan
    R B Gautam
    RB Classes
    Mathura UP

Комментарии • 1 тыс.

  • @jagjitkaur9622
    @jagjitkaur9622 5 лет назад +195

    Wahhhh... This is what I just needed a day before my exam ...... Lol🤭 but thank u so much... It really helped.... All my passing marks are dedicated to u sir

  • @Drsti_Yt
    @Drsti_Yt 3 года назад +2

    Thanku sir, domain -infinity to 1 to 2 to+infinity of sum f(x) =√x^2-3x+2 and range of this sum is according to my solution is√2 to√2+3, sir please tell this solution is right or wrong if wrong then please tell us what is the correct Answer

  • @diyamahajan2766
    @diyamahajan2766 4 года назад

    Domain is[1,2].and sir please tell what is the range of this question

  • @shiva_gaming4997
    @shiva_gaming4997 5 лет назад +4

    For domain:
    X€(-∞,1] union [2,-∞)
    For range [2,∞)
    Sir,, is it true ?

  • @OnkarSingh-je6it
    @OnkarSingh-je6it 4 года назад

    A (1,2)
    B (1,2,3,4)
    C (5,6)
    Find A cross (B n c). 1
    Answer ( null set)
    (A cross B) n ( A cross B). 2
    Answer (null set)
    By Aditya
    Answer (4)

  • @pushpanjalidevi4780
    @pushpanjalidevi4780 6 лет назад +2

    Domain : x is greater than 1 but less than 2.
    Range: [0,(-3+√17)/2]

    • @sourav8910
      @sourav8910 5 лет назад +1

      Your answer is too near but not right one

  • @musaibnandihalli6008
    @musaibnandihalli6008 6 лет назад +7

    fx =modulus x plsss give answer sir

    • @aksingh2403
      @aksingh2403 5 лет назад

      Domain = all real nos
      Range = all positive Real nos

  • @anubhavjaiswal7876
    @anubhavjaiswal7876 3 года назад

    Draw the graph of :
    9-3y=( |4x-5|-|3x+4|-2|5x-10| ) ÷ |3x-4|-3|x-3|+4|2x-8|

  • @muskanverma2815
    @muskanverma2815 3 года назад

    (- infinity,1] union [2, infinity)

  • @oyee69lord
    @oyee69lord 5 дней назад

    doing this question by hit and trial method is way easier..

  • @jashanpreet26475
    @jashanpreet26475 4 года назад +1

    Very nice

  • @psychix3992
    @psychix3992 5 лет назад +1

    Domain: Set of all real Numbers
    Range: Set of all real numbers

  • @niteshgamer..7632
    @niteshgamer..7632 3 года назад

    Dhanyawad

  • @usamasayyam8033
    @usamasayyam8033 5 лет назад

    Domain(f)=R-(1,2)

  • @padderfaixu3481
    @padderfaixu3481 4 года назад

    Domain all natural no.s 1to infinity

  • @pradeepkumarpradhan338
    @pradeepkumarpradhan338 5 лет назад

    Sir what would have been the answer if there would have been a greater than sign

  • @ashishnagar3714
    @ashishnagar3714 4 года назад +1

    Our man

  • @zackviccaji6342
    @zackviccaji6342 5 лет назад

    Bohot lamba tareeqa sa karwaya ha apne

  • @vaishnaviwaykar3376
    @vaishnaviwaykar3376 4 года назад

    Domain=(-infinity ,1]U[2 , infinity)
    Range =[0 , infinity)

  • @dreamwinners5552
    @dreamwinners5552 5 лет назад

    Sir uljha Diya apne.

  • @taniyyaachauhan6165
    @taniyyaachauhan6165 6 лет назад +2

    [1,2]

    • @kavyajod2584
      @kavyajod2584 3 года назад

      I think its answer is (-infinity, infinity)

  • @rockgamer4101
    @rockgamer4101 3 года назад +1

    Great teacher sir🙏🙏

  • @ವರುಣ್ರಾಜು
    @ವರುಣ್ರಾಜು 2 года назад

    Thank you sir

  • @meenuthakur8861
    @meenuthakur8861 4 года назад

    Thanks nice vedio sir

  • @sauravbisht2019
    @sauravbisht2019 6 лет назад +1

    Domain (1,2). But Sir how we find range in the question

  • @kaustubhdeshmukh6614
    @kaustubhdeshmukh6614 5 лет назад +1

    Domain is -3,3 range is 0,3

  • @mithuntamang7143
    @mithuntamang7143 3 года назад

    Waw amazing

  • @xplainsAyu
    @xplainsAyu 4 года назад +22

    Domain: x≤1andx≥2orx∣(−∞,1]∪[2,∞)
    Range: y≥0ory∣[0,∞) since square root of positive quantity

    • @IntensekillerYt
      @IntensekillerYt 2 года назад

      Bhai value can't be 2 as for this function is not defined

    • @GODOFWAR-p7k
      @GODOFWAR-p7k 2 года назад +2

      @@IntensekillerYt ho skti hai bro. Kyunki agar 2 ko x ki jgh rkho ge in the expression sqrt (x^2 - 3x + 2) toh answer zero hoga which is possible

  • @yashmishra5065
    @yashmishra5065 5 лет назад +13

    How many people are seeing this before 1 day of exam...😂😂
    👇
    👇

  • @anushkasahoo453
    @anushkasahoo453 4 года назад +59

    Sir, u are just amazing, love your teaching sir.

  • @kshitizsharma8773
    @kshitizsharma8773 5 лет назад +12

    sir namaste and today i dont know how to solve domain and range of function i.e. f(x)=root under 21 minus 4x minus x^2 please tell how to solve it

  • @neelmanirk2684
    @neelmanirk2684 5 лет назад +24

    Sir very valuable . According to me domain €(-infinity ,1] U [2,+infinity )
    Plz explain how to find range of this function

  • @BhuvanBajaj
    @BhuvanBajaj 4 года назад +16

    Experienced and a good teacher

  • @ArunKumar-pt4rf
    @ArunKumar-pt4rf 4 года назад +7

    Domain=R-(1,2) or
    We can also write it as
    (-Infinity,1] union [2,infinity)
    Range = {0} union R^+. OR
    We can write range as
    [0,infinity)

  • @J.K8xarmy67
    @J.K8xarmy67 Год назад +1

    (x-3)(x+3)

  • @Abhishekkulagude
    @Abhishekkulagude 5 лет назад +4

    Sir u make a long video....
    That's wrong..!!!!!
    U make a lot of confusion to students and learners.... In some times

  • @enigma-tics7610
    @enigma-tics7610 5 лет назад +9

    Awesome video and very good and logical explanation sir.
    Keep going sir 🙏

  • @KD_077
    @KD_077 3 года назад +2

    Sir on 8:27 aapne kha ki Y kabhi -ve nhi aa skta , but jab ham X ki value 0 put krenge to Y +3 or-3 aaega
    😅😅 Please sir explain me this

  • @swatinb716
    @swatinb716 5 лет назад +5

    Sir , your videos are amazing .
    I am not getting range of the question which you had given to try ourselves can u please sir... It's a request

  • @kumarrajiblovely4490
    @kumarrajiblovely4490 2 года назад +1

    This is video my shelf in very interested......
    Thanks very much sir ...
    I am very interested you video
    Can you nex video upload sir....

  • @sangeethas7760
    @sangeethas7760 5 лет назад +6

    Thank you so much sir kl meri exam h . Your class helped me a lot sir and I will definitely share this video with my friends

  • @riyapal1832
    @riyapal1832 4 года назад +7

    Wow sir after physics wallah ure the best teacher

  • @omtiwari9173
    @omtiwari9173 3 года назад +1

    Domain(-infinity,1]U[0,infinity)
    Range-[0,infinity) 👍👍👍👍👍👍👍👍👍

  • @aakarshitaaggarwal2928
    @aakarshitaaggarwal2928 6 лет назад +4

    Sir Range is y is greater than and equal to zero and domain is [ 1, 2 ]. Let me know whether the range is right or not

  • @ranjanasinha169
    @ranjanasinha169 6 лет назад +1

    domain = R- { 1,2 }

  • @jaymodcareindiapvtltd70
    @jaymodcareindiapvtltd70 5 лет назад +16

    Sir I want more questions on domain and range of modules function please make one more vedio on this type of questions.i will be greatly thankful.

  • @PrasadRaoAtirajam-ec9nf
    @PrasadRaoAtirajam-ec9nf Год назад +2

    Domain..... (-infinity,-1]U[2, infinity)
    Range........[0, infinity)

  • @King1185
    @King1185 3 года назад +1

    domain=R-{2,1}
    hope this answer was correct

  • @hattergames7306
    @hattergames7306 5 лет назад +8

    Domain [1,2]
    Range[ 2,inf)

  • @alokmaurya1790
    @alokmaurya1790 4 года назад +16

    Domain I... =(-infinite, 1]u[2, infinite)
    And range =[0, infinite)

  • @esnapeye7098
    @esnapeye7098 3 года назад +1

    8:20 why f(x) is always positive please explain, under-root can give either of the two values i.e positive number and negative number, thus f(x) can be both positive and negative, but he says f(x) is always positive??? A BIG HOW???!!

    • @Nonstoppable208
      @Nonstoppable208 3 года назад

      Square root is generally +ve and Since it is a function so There can't be 2 outputs like -ve and +ve both so f(x) is taken +ve ... Hope you got it....

  • @anshsingh4091
    @anshsingh4091 3 года назад +10

    f(X)=√x^2-3x+2
    Domain of this function=(-infinity 1] union [2 infinity).
    Range of this function=[0 infinity).

    • @moon-ti7nz
      @moon-ti7nz 2 года назад +1

      so the range will be just y>=0 na?

    • @L0Rd_YUVRAJ
      @L0Rd_YUVRAJ 2 года назад +1

      Bhai tera glat hai
      Domain-[2, +infinite)
      Range nikal ke bata hu

    • @L0Rd_YUVRAJ
      @L0Rd_YUVRAJ 2 года назад

      Bro kya tumne equation solve kari

    • @pronoyrudra6609
      @pronoyrudra6609 Год назад

      Bhosdike thik se kar -infinity to 1 union 2 se infinity hoga kya mathematician banega ru tu

  • @kristybhowal1319
    @kristybhowal1319 6 лет назад +111

    Sir really appreciating teaching, amazing, mind blowing. I used to hate maths but you are the person who taught me how to love maths by teaching it in such a clean and clear way. I wish you were my class's maths teacher. But you are my real maths teacher. Heads off to you sir. I bow my head in respect to you. Thumbs up.

  • @DeV.Ranjan-dm6jq
    @DeV.Ranjan-dm6jq 12 дней назад +1

    7:36 sir explain it please🥲

  • @SunitaSharma-ey4fo
    @SunitaSharma-ey4fo 4 года назад +5

    Domain is -ifinity to 1 u 2, infinity
    And range is 0to infinity

    • @himadreetanaya4927
      @himadreetanaya4927 3 года назад

      Bhai domain nikal gaya range nahi nikal raha hai 😟

  • @indianfact4085
    @indianfact4085 4 года назад +1

    If you get my message than solve it. F(x)= X square + 1 by X square + 3 find its range

  • @innovatorborntoinvent6550
    @innovatorborntoinvent6550 6 лет назад +3

    At 8:25 why y is only positive
    It can be negative since (9-x^2) is +ve its roots can be negative also

    • @Yashi-x5h
      @Yashi-x5h 4 месяца назад

      its quite late to tell but x ki value domain ke andar wali rkhne par y +ve hi aayega

  • @SatyamKumar-gq3hf
    @SatyamKumar-gq3hf 2 года назад +1

    Love you sir you are best teacher in the world

  • @RAMJI-jv9lq
    @RAMJI-jv9lq 5 лет назад +17

    Domain=(-infinity,1]U[2,+infinity)

  • @vikashvishwakarma1293
    @vikashvishwakarma1293 4 года назад +2

    sir domain(1,2) and range (0,2) hoga

  • @Economics_Masum
    @Economics_Masum 5 лет назад +5

    Domain (1,infinity)
    Range(-infinity, 0)

    • @manan1366
      @manan1366 3 года назад

      The range should be greater than 0

  • @ranjanasinha169
    @ranjanasinha169 6 лет назад +1

    domain = R- { 1,2 }

  • @History-Geopolitics47
    @History-Geopolitics47 4 года назад +35

    May u live long sir..
    God bless u sir.!

  • @hamentkumardhingra2984
    @hamentkumardhingra2984 Месяц назад

    Domain: x≤1andx≥2orx∣(−∞,1]∪[2,∞)
    Range: y≥0ory∣[0,∞) since square root of positive quantity
    is the right ans

  • @CareerFlux
    @CareerFlux 6 лет назад +3

    Sir answer aa gya domain is [1,2] and Range is [ -2 ,2]

  • @vibhutisahni295
    @vibhutisahni295 4 месяца назад +1

    Explained with so much clarity and logic. You are an amazing teacher. Thank you so much sir 🙏🏼

  • @SanjayKumar-ng7fg
    @SanjayKumar-ng7fg 6 лет назад +5

    Amazing sir .you are great

  • @bharatbhushanbhushan4295
    @bharatbhushanbhushan4295 5 лет назад +3

    Sir Why range is greater than 0 ... root gives both +ve and -ve values??

    • @hritiknagar3219
      @hritiknagar3219 5 лет назад

      This is the same problem i am facing
      If we will put x as 0 root 9 will come and root 9=+3 and-3

    • @AryanSingh-kk3kt
      @AryanSingh-kk3kt 5 лет назад

      @@letsclashit3647 why y is greater than 0

  • @arushmishra868
    @arushmishra868 Месяц назад

    Thank you so much sir, this video has helped me so much even if this video is 6 years old right this moment I can tell you that the quality of your video is marvellous.

  • @hibye2270
    @hibye2270 5 лет назад +3

    8:25...
    sir, agar hum x=0 lenge tho fir
    √(9-x²)=√9=-3
    ab dekho -3 bi ho saktha hai na.
    par aap bole ki y≥0..
    this is my doubt!

    • @cardiographer8231
      @cardiographer8231 4 года назад

      Bhai f(x) real to real ke liye define hai √-3 is a complex no.

    • @cardiographer8231
      @cardiographer8231 4 года назад

      @Music lovers bro y belong to {-3 to 3}-(ii)
      Ab y is greater than equal to 0-(i)
      Ab inn dono ka intersection hoga for right range

    • @जयतुसंस्कृतम्जयतुभारतम्-र7र
      @जयतुसंस्कृतम्जयतुभारतम्-र7र 4 года назад +4

      U r right that there -3 is not in range and absolutely it is not.
      But please took ur attention to the question where function is √9-x^2 and no negative sign is placed before root sign.
      Thus according to question only positive answers have to be taken.

    • @yashshukla7593
      @yashshukla7593 4 года назад

      Bhai √9 ki value +3 hi hoti h,,,

  • @mariakhan6090
    @mariakhan6090 5 лет назад +9

    Subscribed ! Perfectly explained sir ! Thanks a lot

  • @sanjumishra9331
    @sanjumishra9331 5 лет назад +5

    Range will be [0, infinite)

  • @ABHINAVPANDEY-rq4fe
    @ABHINAVPANDEY-rq4fe 4 года назад +3

    Domain = ( - infinte , 1] U [2 , infinte)

  • @Shergill2525
    @Shergill2525 3 года назад +1

    Plz solve #IIT #JEE LEVEL QUESTIONS

  • @ashishbinjola1386
    @ashishbinjola1386 6 лет назад +4

    Thank you so much sir
    For this video

  • @singamgowthamreddy7562
    @singamgowthamreddy7562 2 года назад +1

    domain is X€(-infinity,1] U [2,+infinity)
    Range is x€[0,1]U[2,+infinity)

  • @RahulSen-ch9qt
    @RahulSen-ch9qt 6 лет назад +10

    Domain:x€(-infinity,1] union of [2,infinity).
    Range:y€[0,infinity).

  • @srinukokala1970
    @srinukokala1970 3 года назад +1

    Explain x/2-3x range and domain

  • @karthikeyanam8533
    @karthikeyanam8533 5 лет назад +3

    Answer domain = x belongs to( - infinity to 1) u (2 to infinity)

    • @kashafhere6364
      @kashafhere6364 5 лет назад

      Why not zero?? Domain can be zero as well as root zero= zero

    • @ZahirKhan-121
      @ZahirKhan-121 5 лет назад

      @@kashafhere6364 zero is included in (-infinity to 1]

  • @anushreerao7515
    @anushreerao7515 5 лет назад +12

    Thankyou so much sir.
    You have made this concept so clear.

  • @kapilrabha9043
    @kapilrabha9043 6 лет назад +3

    Very Good explanation.👌🏻👌🏻👌🏻.

  • @anjanijha961
    @anjanijha961 3 года назад +1

    Sir,please make more videos 🙏🙏🙏

  • @rachnasharma8828
    @rachnasharma8828 4 года назад +5

    Domain-[1,2,infinity)
    Range-[0,infinity)

  • @Discoverskv
    @Discoverskv 6 лет назад +1

    underroot( x-1)(x-2) domain under root should be >=0 (×-1)(×-2)>=0 , when 1

  • @dileswarpatra1813
    @dileswarpatra1813 4 года назад +7

    domain [1,2]
    range [0,infinite)

  • @creativemind4483
    @creativemind4483 3 года назад +1

    Domain (-infinity,1]U[2,infinity)

  • @firebout7675
    @firebout7675 5 лет назад +7

    Domain : (-§, 1]U[2,§)
    Sahi h sir???
    And how to calculate range??

  • @sunilpathak1521
    @sunilpathak1521 5 лет назад +1

    H.w jo diye the uska ans comment karo

  • @kanhaiyatiwari3902
    @kanhaiyatiwari3902 5 лет назад +3

    2 to infinity Union -infinity to 1

  • @NeerajSingh-or9hd
    @NeerajSingh-or9hd 6 лет назад +1

    domain is -infinity to + infinity is right sir reply u only sir

  • @ravirauniyar851
    @ravirauniyar851 5 лет назад +3

    (1,2) Domain and (-infinity , 0) range

  • @supertv617
    @supertv617 4 года назад +1

    Domain - ( - infinity , 1] U [2,infinity)
    Range - [0, infinity ).

    • @dragonwarrior8787
      @dragonwarrior8787 4 года назад

      Brother range kaise nikale ho ?

    • @supertv617
      @supertv617 4 года назад

      @@dragonwarrior8787 range :y>=0
      Or y= [0,infinity) because square root of a positive quantity is
      also positive .

  • @kumaritanu5855
    @kumaritanu5855 5 лет назад +5

    Please solve this question
    Find D and R
    f(x)= x/1+x^2

  • @indianfact4085
    @indianfact4085 4 года назад +1

    Sir can you solve my one problem

  • @padminisahu1533
    @padminisahu1533 6 лет назад +4

    agar 9 k jagah koi non perfect square no ho toh

  • @meetbollywoodeditz
    @meetbollywoodeditz 3 года назад +1

    X e [2,1] , 1 < x < 2 , sir please tell me is this correct or not ??

  • @hatiteja3934
    @hatiteja3934 6 лет назад +12

    Domain=(-infinity,1] U [2,infinity)
    Range=[0,infinity)

  • @sanjaynath3495
    @sanjaynath3495 6 лет назад +31

    Domain 1,2. .........
    Range 0,infinity

    • @kashafhere6364
      @kashafhere6364 5 лет назад +4

      How?? Domain can be less than or equal to zero also. Ultimately domain will be R
      And range=R

    • @kashafhere6364
      @kashafhere6364 5 лет назад +1

      @RBSir please tell the correct answer

    • @Biomaths247
      @Biomaths247 4 года назад +1

      @@kashafhere6364 put x=3/2 you will get the correct ans

    • @ATTITUDEBOY-sk3ip
      @ATTITUDEBOY-sk3ip 4 года назад

      Yes yes my domain is also 1,2 but I am unable to find out the range

    • @n.rgangwar2219
      @n.rgangwar2219 4 года назад

      Ha yr... Mujhe bhi dikkat ho rahi hai

  • @MANIKFF
    @MANIKFF 3 года назад +1

    I am here in 2021

  • @utkalrajput9131
    @utkalrajput9131 5 лет назад +3

    Domain -(1,2)