SOLUTION: find d coefficient of d 4th term ( 3y- 2 )^6

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Question 978849: find d coefficient of d 4th term ( 3y- 2 )^6
Answer by Boreal(15235) About Me  (Show Source):
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binomial to 6th power
1-6-15-20-15-6-1; the fourth term has leading coefficient of 20 (6 choose 3). Each of the terms inside the parenthesis is raised to the 3rd power.
20{(-2)^3)*(3y)^3)}= -160*27y^3
-4320 y^3.