There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 9{({x}^{3} - x)}^{4}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 9x^{12} - 36x^{10} + 54x^{8} - 36x^{6} + 9x^{4}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 9x^{12} - 36x^{10} + 54x^{8} - 36x^{6} + 9x^{4}\right)}{dx}\\=&9*12x^{11} - 36*10x^{9} + 54*8x^{7} - 36*6x^{5} + 9*4x^{3}\\=&108x^{11} - 360x^{9} + 432x^{7} - 216x^{5} + 36x^{3}\\ \end{split}\end{equation} \]

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