There are 1 questions in this calculation: for each question, the 1 derivative of a is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ sqrt(2.89 + {(x - 2)}^{2}) + sqrt(1.69 + {(x - 3)}^{2}) + sqrt(5.29 + {x}^{2})\ with\ respect\ to\ a：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = sqrt(x + 0.89) + sqrt(x - 1.31) + sqrt(x + 5.29)\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( sqrt(x + 0.89) + sqrt(x - 1.31) + sqrt(x + 5.29)\right)}{da}\\=&\frac{(0 + 0)*0.5}{(x + 0.89)^{\frac{1}{2}}} + \frac{(0 + 0)*0.5}{(x - 1.31)^{\frac{1}{2}}} + \frac{(0 + 0)*0.5}{(x + 5.29)^{\frac{1}{2}}}\\=&0\\ \end{split}\end{equation} \]

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