Partial Derivatives - Can anyone solve this?

[Sandella]

 

[Deleted member 4993]

View attachment 24265

Please share your work/thoughts.

Start with calculating \(\displaystyle \frac{\partial u}{\partial x} \ \to \frac{\partial ^2 u}{\partial x^2}\ \to \frac{\partial ^2 u}{\partial x \partial y}\)

 

[Sandella]

Please share your work/thoughts.

Start with calculating \(\displaystyle \frac{\partial u}{\partial x} \ \to \frac{\partial ^2 u}{\partial x^2}\ \to \frac{\partial ^2 u}{\partial x \partial y}\)

View attachment 24266

Please share your work/thoughts.

Start with calculating \(\displaystyle \frac{\partial u}{\partial x} \ \to \frac{\partial ^2 u}{\partial x^2}\ \to \frac{\partial ^2 u}{\partial x \partial y}\)

View attachment 24266

Thank you for your response!! I think I got the answer.. please check it. ?

 

[Deleted member 4993]

Thank you for your response!! I think I got the answer.. please check it. ?

Check the second line of your 2nd attachment. You have dropped a '-ve' sign.