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

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