SOLUTION: Find the coefficient of the {{{ x^8 }}} term in the expansion of {{{ (x+3)^17 }}}

Algebra ->  Sequences-and-series -> SOLUTION: Find the coefficient of the {{{ x^8 }}} term in the expansion of {{{ (x+3)^17 }}}      Log On


   

Question 1177002: Find the coefficient of the +x%5E8+ term in the expansion of +%28x%2B3%29%5E17+
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
this is of the form nCk x^(n-k)*y^k
for x^8, k=9
17C9*x^8*y*9, where y=3
24310*x^8*19683
the coefficient is 478,493,730