There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 221{x}^{3} - 2390{x}^{2} + 8287x\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 221x^{3} - 2390x^{2} + 8287x\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 221x^{3} - 2390x^{2} + 8287x\right)}{dx}\\=&221*3x^{2} - 2390*2x + 8287\\=&663x^{2} - 4780x + 8287\\ \end{split}\end{equation} \]

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