+0  
 
0
99
2
avatar+222 

What is the coeffiecient of x^3 in \((x^4 + x^3 + x^2 + x + 1)^4\)

 Apr 20, 2021
 #1
avatar+114097 
+1

\(4x^3*1*1=4x^3\\ 4*x^2*3*x=12x^3\\ 4C3*x*x*x=4x^3\\ total\\ 20x^3\)

 

 

I get 20

 Apr 20, 2021
 #2
avatar+222 
0

Thanks!

CPhilFanboy  Apr 20, 2021

10 Online Users

avatar