Find the Term Indicated in the Expansion $( x - 2 y ) ^ { 10 } ; \quad 7$

Multiple Choice

Find the term indicated in the expansion.
- $( x - 2 y ) ^ { 10 } ; \quad 7$ th term

A) $13,440 x ^ { 4 } y$
B) $- 6720 x ^ { 4 } y ^ { 7 }$
C) $- 6720 x ^ { 6 } y ^ { 4 }$
D) $13,440 \mathrm { x } ^ { 6 } \mathrm { y } ^ { 4 }$