There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ {(x + 1171.9097)}^{2} + {(x + 1346.23)}^{2} + {(x + 1294.34)}^{2} + {(x + 1331.42)}^{2}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = x^{2} + 1171.9097x + 1171.9097x + x^{2} + 1346.23x + 1346.23x + x^{2} + 1294.34x + 1294.34x + x^{2} + 1331.42x + 1331.42x + 6633702.80985409\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( x^{2} + 1171.9097x + 1171.9097x + x^{2} + 1346.23x + 1346.23x + x^{2} + 1294.34x + 1294.34x + x^{2} + 1331.42x + 1331.42x + 6633702.80985409\right)}{dx}\\=&2x + 1171.9097 + 1171.9097 + 2x + 1346.23 + 1346.23 + 2x + 1294.34 + 1294.34 + 2x + 1331.42 + 1331.42 + 0\\=&2x + 2x + 2x + 2x + 10287.7994\\ \end{split}\end{equation} \]

Your problem has not been solved here? Please take a look at the  hot problems ！