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

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