Decide What Values of the Variable Cannot Possibly Be Solutions $\sqrt [ 6 ] { x ^ { 2 } - 13 } = 1$

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $\sqrt [ 6 ] { x ^ { 2 } - 13 } = 1$

A) $\{\sqrt{13}\}$
B) $\{ \sqrt { 14 } \}$
C) $\{ - \sqrt { 14 } , \sqrt { 14 } \}$
D) $\{ - \sqrt { 13 } , \sqrt { 13 } \}$