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Find the coefficient of x^5 in (2x - 3)^8.

 May 2, 2020
 #1
avatar+732 
+2

Hi guest!
 

I honestly have no idea how to do this problem, but according to Wolfram Alpha, the answer is \(\boxed{-48384}\).

 May 2, 2020
 #2
avatar+111464 
+2

The coefficient  will  be found as

 

C(8,3) * (2)^(8 - 3) *(-3)^(3)  = C(8,3) * (2)^5 * (-3)^3  =    -48384 

 

cool cool cool

 May 2, 2020
 #3
avatar+732 
+1

wow! nice job CPhill!!! :)

lokiisnotdead  May 2, 2020

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