SOLUTION: 1. Find the coefficient a of the term in the expansion of the binomial. Binomial: {{{(x-3y)^6 }}} Term: {{{ ax^3y^3 }}}

Algebra ->  Sequences-and-series -> SOLUTION: 1. Find the coefficient a of the term in the expansion of the binomial. Binomial: {{{(x-3y)^6 }}} Term: {{{ ax^3y^3 }}}       Log On


   

Question 972722: 1. Find the coefficient a of the term in the expansion of the binomial.
Binomial: %28x-3y%29%5E6+
Term: +ax%5E3y%5E3+
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the coefficient a of the term in the expansion of the binomial.
Binomial: (x-3y)^6
Term: ax^3y^3
------------
6C3x^3(-3y)^3 = 20x^3*(-27y^3) = -540x^3y^3
----
Ans:: a = -540
------------
Cheers,
Stan H.
-------------