Simplify Assume That Variables in the Exponent Represent Nonzero Integers $\frac { x ^ { 6 a } \left( x ^ { 6 a } \right) ^ { 7 } } { x }$

Multiple Choice

Simplify. Assume that variables in the exponent represent nonzero integers and that all other variables are not 0.
- $\frac { x ^ { 6 a } \left( x ^ { 6 a } \right) ^ { 7 } } { x }$

A) $x ^ { 48 a - 1 }$
B) $x ^ { 51 a - 1 }$
C) $\frac { 1 } { 48 a - 1 }$
D) $x ^ { 36 a + 1 }$