1. Chapter 5 Class 12 Continuity and Differentiability
  2. Serial order wise
  3. Ex 5.7

Ex 5.7, 4

Last updated at Dec. 8, 2016 by

Ex 5.7, 4 - Find second order derivatives of log x - Ex 5.7

Slide8.JPG

  1. Chapter 5 Class 12 Continuity and Differentiability
  2. Serial order wise
    3. Ex 5.7
    Ex 5.8 →
Ask Download

Transcript

Ex 5.7, 4 Find the second order derivatives of the function log﷮𝑥﷯ Let y = log﷮𝑥﷯ Differentiating 𝑤.𝑟.𝑡.𝑥 . 𝑑𝑦﷮𝑑𝑥﷯ = 𝑑( log﷮𝑥﷯)﷮𝑑𝑥﷯ 𝑑𝑦﷮𝑑𝑥﷯ = 1﷮𝑥﷯ Again Differentiating 𝑤.𝑟.𝑡.𝑥 𝑑﷮𝑑𝑥﷯ 𝑑𝑦﷮𝑑𝑥﷯﷯ = 𝑑 ﷮𝑑𝑥﷯ 1﷮𝑥﷯﷯ 𝑑﷮2﷯𝑦﷮𝑑 𝑥﷮2﷯﷯ = 𝑑( 𝑥﷮−1﷯)﷮𝑑𝑥﷯ 𝑑﷮2﷯𝑦﷮𝑑 𝑥﷮2﷯﷯ = −1 𝑥﷮−1−1﷯ 𝑑﷮2﷯𝑦﷮𝑑 𝑥﷮2﷯﷯ = 𝑥﷮−2﷯ 𝒅﷮𝟐﷯𝒚﷮𝒅 𝒙﷮𝟐﷯﷯ = −𝟏﷮ 𝒙﷮𝟐﷯﷯

Chapter 5 Class 12 Continuity and Differentiability
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 7 years. He provides courses for Mathematics and Science from Class 6 to 12. You can learn personally from here https://www.teachoo.com/premium/maths-and-science-classes/.
Jail