If \(y = \frac{x}{(2 + a)^Z}\), then z =?
1
\(\frac{\log_e\left(\frac{x}{y}\right)}{\log_e(2 + a)}\)
2
\(\frac{\log_e\left(\frac{x}{y}\right)}{\log_e(2 - a)}\)
3
\(\frac{\log_e\left(\frac{y}{x}\right)}{\log_e(2 + a)}\)
4
\(\frac{\log_e(x - y)}{\log_e(2 + a)}\)