Look Who it Was Random video

Discuss the continuity of the following functions: (a) `f(x) = s in x + cos x` (b) `f(x) = s in ...

179 views · Published 28 September 2017 · 2:24 · Indexed 20 September 2026

Channel: Doubtnut · 2017 · Education

Watch on YouTube

Question From - NCERT Maths Class 12 Chapter 5 EXERCISE 5.1 Question – 21 CONTINUITY AND DIFFERENTIABILITY CBSE, RBSE, UP, MP, BIHAR BOARD

QUESTION TEXT:-
Discuss the continuity of the following functions: (a) `f(x) = s in x + cos x` (b) `f(x) = s in x cos x` (c) `f(x) = s in x cos x`

Doubtnut  के साथ १००%  मार्क्स पायें, आज ही डाउनलोड करें :-
https://doubtnut.app.link/91GzfmKxjP

Related Questions & Solutions:

1. Prove that the function `f(x) = 5x-3` is continuous at `x = 0` , at `x =-3` and at `x = 5` ....
https://youtu.be/WoFEuHodk-0

2. Examine the continuity of the function `f(x)=2x^2-1` at `x = 3` ....
https://youtu.be/Lpj61iZqbEY

3. Examine the following functions for continuity. (a) `f(x)=x-5` (b) `f(x)=1/(x-5)` (c) `f(x)=(x^2-25)/(x+5)` (d) `f(x)=|x-5|`...
https://youtu.be/UMNE0NoGbXw

4. Prove that the function `f(x)=x^n` is continuous at `x = n` , where n is a positive integer....
https://youtu.be/7Orc_hmzJbc

5. Is the function f defined by `f(x)={x , ifxlt=1 5, ifx gt 1` continuous at `x = 0? A t x = 1? A t x = 2?`...
https://youtu.be/vs0n5vo-1Lg

Get Classwise & Chapterwise Definitions & Solutions from NCERT Book:

• NCERT Solutions for class 6th to class 12th Maths -  https://doubtnut.com/ncert-solutions
• NCERT Solutions for Class 12 - https://doubtnut.com/ncert-solutions/class-12-maths-1
• NCERT Solutions for Class 12, Chapter 5 - https://doubtnut.com/ncert-solutions/class-12-maths-chapter-5-continuity-and-differentiability-1


Score 100% With Doubtnut

Prepare your class 12 subjects with our intuitive video solutions and score well in your final academic exam 2019-20. Students can click the doubt question from their text book of class 12 maths, physics, chemistry, biology, and find instant video solutions on our renowned doubt solving app or even on our website.

The video tutorials are helpful in preparation for the entrance exams like IIT JEE Main and Advanced, and NEET exam. Students can resolve their doubts with self-explanatory video solutions of questions from popular books of Math, Physics, Chemistry, Biology are solved for easy and swift learning.

Student can prepare for IIT JEE at https://doubtnut.com/iit-solutions.

Student can prepare for NEET at https://doubtnut.com/exams/neet

Subscribe our channel for latest and trending videos on various topics from subjects like – Maths, Physics, Chemistry, Biology etc for Board & higher studies.

Doubtnut  ऍप पर आप कक्षा ६ से १२  (IIT JEE  तक)  के  NCERT के गणित/

भौतिक विज्ञान/रसायन विज्ञान/जीव विज्ञान/ के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी
भी गणित सवाल का जवाब  - 5 लाख  से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर

Doubtnut App and website has video solutions of ALL the NCERT questions from Class 6 to 12. You can download the NCERT solutions in pdf format too.

Doubtnut app provides free online video solutions that help students to better understand each topic and retain what they have learnt for a longer duration. It further helps in creating a stronger foundation for future classes.

You can also ask any question related to Math, Physics, Chemistry, Biology and get a video solution for FREE from a library of more than 5 Lakhs Videos

Follow Us On Facebook
https://www.facebook.com/doubtnut

More from this channel