zenyp000 zenyp000

20-06-2022
Mathematics

contestada

The coefficient of x^k y^n-k in the expansion of (x+y)^n equals ( k n)
A: True
B: False

pls help

Respuesta :

culveryolanda46 culveryolanda46

20-06-2022

Step-by-step explanation:

B False

It is equal to

[tex] \binom{n}{k} [/tex]

or

n!/k!(n-k)!

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