Solve the Exponential Equation Algebraically $e ^ { 2 x } - 5 e ^ { x } + 4 = 0$

Multiple Choice

Solve the exponential equation algebraically. Approximate the result to three decimal places. $e ^ { 2 x } - 5 e ^ { x } + 4 = 0$

A) $x = 0.000,1.000$
B) $x = 0.000,1.386$
C) $x = 0.000,4.000$
D) $x = 1.000,4.000$
E) $x = 1.386,4.000$