There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ \frac{x}{5} + \frac{3ln(5x + 3)}{25}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( \frac{1}{5}x + \frac{3}{25}ln(5x + 3)\right)}{dx}\\=&\frac{1}{5} + \frac{\frac{3}{25}(5 + 0)}{(5x + 3)}\\=&\frac{3}{5(5x + 3)} + \frac{1}{5}\\ \end{split}\end{equation} \]

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