There are 1 questions in this calculation: for each question, the 7 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ 7th\ derivative\ of\ function\ ln(x)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ \\ &\color{blue}{The\ 7th\ derivative\ of\ function:} \\=&\frac{720}{x^{7}}\\ \end{split}\end{equation} \]

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