Find the Coefficient a of the Term in the Expansion $( x - 7 y ) ^ { 10 } ~a x ^ { 8 } y ^ { 2 }$

question 63

Multiple Choice

Find the coefficient a of the term in the expansion of the binomial.​ Binomial Terms
$( x - 7 y ) ^ { 10 } ~a x ^ { 8 } y ^ { 2 }$ ​

• A)2,208
• B)2,204
• C)2,206
• D)2,205
• E)2,203

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