SOLUTION: Find the sixth term in the expansion of {{{ (3x^2 - 1/x)^9 }}}

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Question 1099470: Find the sixth term in the expansion of +%283x%5E2+-+1%2Fx%29%5E9+
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
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The 6-th term is  C%5B9%5D%5E5%2A%28%283x%5E2%29%5E4%29%2A%28-1%2Fx%29%5E5 =  = 


= -126%2A3%5E4%2Ax%5E3 = -10206%2Ax%5E3.



Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
Find the sixth term in the expansion of +%283x%5E2+-+1%2Fx%29%5E9+
6th term of