Respuesta :

aencabo
The statement The coefficient of x^k y^n-k in the expansion of (x+y)^n equals (n-k / k) is true.  This will show the standard formula and the expansion of it. We all know that it can still be expanded based on the power or degree of the terms.

Answer: the answer is FALSE. Just took this on a p e x

Step-by-step explanation:

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