There are 1 questions in this calculation: for each question, the 1 derivative of B is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ Bge\ with\ respect\ to\ B：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = gBe\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( gBe\right)}{dB}\\=&ge + gB*0\\=&ge\\ \end{split}\end{equation} \]

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