In the Previous Three Problems, the Solution For $R$ Is
A) $R = r ^ { n }$

Multiple Choice

In the previous three problems, the solution for $R$ is

A) $R = r ^ { n }$
B) $R = r ^ { - n - 1 }$
C) $R = c _ { 1 } r ^ { n } + c _ { 2 } r ^ { - n - 1 }$
D) $R = c _ { 1 } r ^ { n } + c _ { 2 } r ^ { n + 1 }$
E) $R = c _ { 1 } r ^ { n } + c _ { 2 } r ^ { n - 1 }$