There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ {x}^{4}{\frac{1}{({k}^{2}({x}^{4} - 1) + 1)}}^{2}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = \frac{x^{4}}{(k^{2}x^{4} - k^{2} + 1)^{2}}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( \frac{x^{4}}{(k^{2}x^{4} - k^{2} + 1)^{2}}\right)}{dx}\\=&(\frac{-2(k^{2}*4x^{3} + 0 + 0)}{(k^{2}x^{4} - k^{2} + 1)^{3}})x^{4} + \frac{4x^{3}}{(k^{2}x^{4} - k^{2} + 1)^{2}}\\=&\frac{-8k^{2}x^{7}}{(k^{2}x^{4} - k^{2} + 1)^{3}} + \frac{4x^{3}}{(k^{2}x^{4} - k^{2} + 1)^{2}}\\ \end{split}\end{equation} \]

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