Ex 6.3 [Q17 to Q20] Solutions || Class 12 Ch 6 || Application of Derivatives || Lecture 14

Опубликовано: 20 Февраль 2026
на канале: 100percent Maths
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This video will cover
Ex 6.3 (Q17 to Q20) NCERT SOLUTIONS [MAXIMA & MINIMA]

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Link to previous Videos for chapter-6 application of derivatives are given below:
Lecture 1
   • Application of Derivatives || Rate of Chan...  
Lecture 2
   • Ex 6.1 Class 12 (Q6 to Q10) || Easy NCERT ...  
Lecture 3
   • Ex 6.1 Class 12 (Q11 to Q18) || Easy NCERT...  
Lecture 4
   • Concept of Increasing & Decreasing Functio...  
Lecture 5
   • Ex 6.2(Q1 to Q6) NCERT Solutions || Class ...  
Lecture 6
   • Ex 6.2(Q7 to Q11) NCERT Solutions || Class...  
Lecture 7
   • Ex 6.2(Q12 to Q19) NCERT Solutions || Clas...  
Lecture 8
   • Full Concept of MAXIMA & MINIMA in 30 Min ...  
Lecture 9
   • Ex 6.3 [Q1 & Q2] NCERT Solutions || Class ...  
Lecture 10
   • NCERT Ex 6.3 [Q3] All Parts Solutions || C...  
Lecture 11
   • NCERT Ex 6.3 [Q4 to Q7] Solutions || Class...  
Lecture 12
   • NCERT Ex 6.3 [Q8 to Q12] Solutions || Clas...  
Lecture 13
   • NCERT Ex 6.3 [Q13 to Q16] Solutions || Cla...  

Link to previous Playlists for previous chapters are given below:

Chapter 1 Relations & Functions
https://youtube.com/playlist?list=PLT...

Chapter 2 Inverse Trigonometric Functions
https://youtube.com/playlist?list=PLT...

Chapter 3 Matrices
https://youtube.com/playlist?list=PLT...

Chapter 4 Determinants
https://youtube.com/playlist?list=PLT...

Chapter 5 Continuity & Differentiability
   • Continuity & Differentiability Class 12  

Timestamps:
00:00-00:47 Intro
00:48 Ques 17
07:32 Ques 18
13:55 Ques 19
21:10 Ques 20

Answers to following questions can be found in this video:
NCERT EX 6.3 QUES 17 CLASS 12, NCERT EX 6.3 QUES 18 CLASS 12, NCERT EX 6.3 QUES 19 CLASS 12, NCERT EX 6.3 QUES 20 CLASS 12, ncert ex 6.3 class 12 ques 17, ncert ex 6.3 class 12 ques 18, ncert ex 6.3 class 12 ques 19, ncert ex 6.3 class 12 ques 20,maxima and minima, maxima and minima class 12,maxima and minima class 12 application of derivatives, application of derivatives class 12, class 12 maths,first derivative test, second derivative test,

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