There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ {(1.889 + 0.499x - 2)}^{2} + {(1.889 + 0.499x - 2*1.014 + 2*0.554x)}^{2}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.249001x^{2} - 0.055389x - 0.055389x + 0.249001x^{2} + 0.552892x^{2} - 0.069361x + 0.552892x^{2} + 1.227664x^{2} - 0.154012x - 0.069361x - 0.154012x + 0.031642\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.249001x^{2} - 0.055389x - 0.055389x + 0.249001x^{2} + 0.552892x^{2} - 0.069361x + 0.552892x^{2} + 1.227664x^{2} - 0.154012x - 0.069361x - 0.154012x + 0.031642\right)}{dx}\\=&0.249001*2x - 0.055389 - 0.055389 + 0.249001*2x + 0.552892*2x - 0.069361 + 0.552892*2x + 1.227664*2x - 0.154012 - 0.069361 - 0.154012 + 0\\=&0.498002x + 0.498002x + 1.105784x + 1.105784x + 2.455328x - 0.557524\\ \end{split}\end{equation} \]

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