Chapter-wise Solutions

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This blog contains solutions to unsolved problems on the book. Some questions have complete solutions and explanations and some easier questions have hints to solve the problem. I assume that you've gone through the worked out problems and theory given in the book first. Feel free to leave a comment if you have any doubt or if you found a problem not done right.
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Wednesday 3 May 2017

Answer to question 2.2.8 all unsolved parts

Answer to 2.2.8 (e)


Differentiating this using quotient rule and chain rule, we get :

Now we need to use this result for simplifying the above differential :

From these two properties, sinh(bx)-cosh(bx) can be written as(This is obtained by simply subtracting) :
 So by replacing, our derivative is simplified as follows :  


NOTE : The answer given at the end of the book is wrong. The one above is correct.

6 comments:

  1. PleaSe upload all question of aditional type.firstly for chapter 2

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    Replies
    1. Hi, Thank you for your comment. Actually typing the math symbols and all is a bit hard. If you tell me the exact questions you need help with, I will post those questions with answers.

      Delete
  2. Replies
    1. Hi, Thank you for your comment. Actually typing the math symbols and all is a bit hard. If you tell me the exact questions you need help with, I will post those questions with answers.

      Delete
  3. This comment has been removed by the author.

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  4. Please upload 2.7.17(b) asap.. Please 😫

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