Mathematics, 21.02.2022 23:40, ashvinmsingh

Kerys is trying to expand the binomial ( 2 x + y ) 4 using the binomial theorem expression, ∑ k = 0 n ( n k ) a n − k b k . What value(s) should she substitute for k? Why?

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Kerys is trying to expand the binomial ( 2 x + y ) 4 using the binomial theorem expression, ∑ k = 0...