Find the 10th Term in the Binomial Expansion $$\left( \frac { a } { 3 } - \frac { y } { 3 } \right) ^ { 11 }$$

question 92

Multiple Choice

Find the 10th term in the binomial expansion. $$\left( \frac { a } { 3 } - \frac { y } { 3 } \right) ^ { 11 }$$

• A) \(\quad - \frac { 11 } { 177,147 } a ^ { 2 } y ^ { 9 }\)
• B) \(\quad \frac { 55 } { 128 } a ^ { 2 } y ^ { 9 }\)
• C) \(\quad - \frac { 1 } { 24 } a y ^ { 10 }\)
• D) \(\quad - \frac { 55 } { 177,147 } a ^ { 2 } y ^ { 9 }\)
• E) none of the above

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