Use the Properties of Exponents to Simplify $\frac { 12 ^ { 1 / 7 } } { 12 ^ { - 13 / 7 } }$

Multiple Choice

Use the properties of exponents to simplify. Write with positive exponents.
- $\frac { 12 ^ { 1 / 7 } } { 12 ^ { - 13 / 7 } }$

A) 2
B) 144
C) $12 ^ { 1 / 2 }$
D) $\frac { 1 } { 12 ^ { 12 / 7 } }$