Solve the Problem $1 - \sqrt { 2 } , 2 - \sqrt { 2 } , 2 - 2 \sqrt { 2 } , \ldots$

Multiple Choice

Solve the problem.
-Find the 15th term of the following geometric sequence: $1 - \sqrt { 2 } , 2 - \sqrt { 2 } , 2 - 2 \sqrt { 2 } , \ldots$

A) $256 = 256 \sqrt { 2 }$
B) $128 \sqrt { 2 } - 128$
C) $64 \sqrt { 2 } - 64$
D) $128 - 128 \sqrt { 2 }$