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What is the coefficient of x^3 in (x^4 + x^3 + x^2 + x + 1)^5?

 Oct 15, 2021
 #1
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What is the coefficient of x^3 in (x^4 + x^3 + x^2 + x + 1)^5?

 

Hello Guest!

 

\((x^4 + x^3 + x^2 + x + 1)^5=x^{20}+5x^{19}+...+{\color{blue}35x^3}+15x^2+5x+1 \)

\(The\ coefficient\ of\ x^3\ is\ 35.\)

laugh  !

 Oct 15, 2021
 #2
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that is the wrong answer.

Guest Oct 16, 2021

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