please answer both if possible Suppose that \( \frac{3 x}{(7+x)}=\sum_{n=0}^{\infty} c_{n} x^{n} \). Find the first few coefficients. \[ \begin{array}{l} c_{0}= \\ c_{1}= \\ c_{2}= \\ c_{3}= \\ c_{4}= \end{array} \] Find the radius 2 answers