There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 19.4058{x}^{-0.9785}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = \frac{19.4058}{x^{\frac{1957}{2000}}}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( \frac{19.4058}{x^{\frac{1957}{2000}}}\right)}{dx}\\=&\frac{19.4058*-0.9785}{x^{\frac{3957}{2000}}}\\ \end{split}\end{equation} \]

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