In the Previous Problem, the Solution Is
A) $U = u _ { 0 } \left( 1 + e ^ { - k \alpha ^ { 2 } t } \right)$

Multiple Choice

In the previous problem, the solution is

A) $U = u _ { 0 } \left( 1 + e ^ { - k \alpha ^ { 2 } t } \right)$
B) $U = u _ { 0 } \left( 1 - e ^ { - k \alpha ^ { 2 } t } \right)$
C) $U = u _ { 0 } \left( 1 + e ^ { - k \alpha ^ { 2 } t } \right) / \alpha$
D) $U = u _ { 0 } \left( 1 - e ^ { - k \alpha ^ { 2 } t } \right) / \alpha$
E) $U = u _ { 0 } \left( 1 - e ^ { - k \alpha ^ { 2 } t } \right) / \alpha ^ { 2 }$