Question: Derivative of a Bi-variate Normal distribution

Dear All Members;

In my research I faced with this problem and I appreciate if any of you specialists be able to help me in this issue. I brought the question here:

question.pdf

Please let me know that is it possible to finde this derivative of Bi-variate Normal distribution in Maple? If yes, could you please help me to do this?

 

Sincerely; 

Sobhan

 

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