Question

Can somebody please tell me if my answers are correct for differentiation. Please see the attached image files.

Answer 1

Here are the questions with solutions, please see if the answers are correct.

Answer 2

sorry 1d and 2d image files are the same. I have to add one more image file here which is question 1 ..

Answer 3

@azib seems right

Answer 4

Are you sure, all these answers are correct?

Answer 5

@azib in question no. 3, step 6 has a mistake.

Answer 6

@ash2326 Can you please point out the mistake.

Answer 7

\[\frac{x^2}{x^3-7}-\frac{10x}{1-x^2}\]
You forgot the - sign
\[\frac{x^2(1-x^2)-10x(x^3-7)}{(x^3-7)(1-x^2)}\]

Answer 8

and apart from that mistake, everything is right?

Answer 9

Yeah

Answer 10

thanks :)