<PRE><B>Question 972722</B>
Find the coefficient a of the term in the expansion of the binomial.
Binomial: (x-3y)^6   
Term:  ax^3y^3
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 6C3x^3(-3y)^3 = 20x^3*(-27y^3) = -540x^3y^3
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Ans:: a = -540
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Cheers,
Stan H.
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