@@ -82,7 +82,8 @@ $$
对左右两边取倒
$$
-\frac{1}{n} - 1 = \frac{(1-m)*Z_2}{m*Z_1} \\
+\frac{1}{n} - 1 = \frac{(1-m)*Z_2}{m*Z_1}
+\\
n = \frac{m*Z_1}{(1-m)*Z_2 + m*Z_1}
