There are 1 questions in this calculation: for each question, the 3 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ third\ derivative\ of\ function\ {x}^{3}inx\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = inx^{4}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( inx^{4}\right)}{dx}\\=&in*4x^{3}\\=&4inx^{3}\\\\ &\color{blue}{The\ second\ derivative\ of\ function:} \\&\frac{d\left( 4inx^{3}\right)}{dx}\\=&4in*3x^{2}\\=&12inx^{2}\\\\ &\color{blue}{The\ third\ derivative\ of\ function:} \\&\frac{d\left( 12inx^{2}\right)}{dx}\\=&12in*2x\\=&24inx\\ \end{split}\end{equation} \]

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