+6250 \(\Large \dfrac{a^{2n-1}\times b^3 \times c^{1-n}}{a^{n-3}\times b^{2-n}\times c^{2-2n}} = \\ \\ \Large a^{(2n-1)-(n-3))}\times b^{3-(2-n)}\times c^{(1-n)-(2-2n)} = \\ \\ \Large a^{n+2}\times b^{n+1}\times c^{n-1}\)
+65 Ok. 'e' is Euler's Constant, or approximately 2.718281828459045235360...
Euler's constant can be defined by terms of an infinite sum in the form of \(e=\sum_{n=0}^{}{\frac{1}{n!}}\)
