Mathematics, 02.08.2019 17:40 Alexistorres286
The coefficient of x^ky^n-k in the expansion of (x+y)^n equals (n-k/k). true or false.
Answers: 2
in the expansion of 
equals 
. 
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The coefficient of x^ky^n-k in the expansion of (x+y)^n equals (n-k/k). true or false....
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