Solved

Find the Coefficient a of the Term in the Expansion $( x - 3 y ) ^ { 9 }$

Question 132

Multiple Choice

Find the coefficient a of the term in the expansion of the binomial. Binomial Term $( x - 3 y ) ^ { 9 }$ $a x ^ { 5 } y ^ { 4 }$

A) a = 13
B) a = 10206
C) a = 45
D) a = -19683
E) a = 3024

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