@article{Pandey_Obradovic_Mishra_Mishra_2021, title={Second Order Partial Derivatives }, volume={20}, url={https://rajpub.com/index.php/jam/article/view/9097}, DOI={10.24297/jam.v20i.9097}, abstractNote={<p>The rules for calculating partial derivatives and differentials are the same as for calculating the derivative of a function of one variable, except that when finding partial derivatives per one variable, the other variables are considered as constants</p>}, journal={JOURNAL OF ADVANCES IN MATHEMATICS}, author={Pandey, Shikha and Obradovic, Dragan and Mishra, Lakshmi Narayan and Mishra, Vishnu Narayan}, year={2021}, month={Sep.}, pages={419–423} }