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BINOMIAL THEOREM


Newton's binomial formula: a,b ∈ ℝ, n ∈ ℕ, (a+b)n = nΣk=0 C(n,k) an-kbk

Newton's binomial formula for n = 2: (a+b)2 = 2Σk=0 C(2,k) a2-kbk = C(2,0) a2b0 + (C2,1) ab + C(2,2) a0b2 = a2 + 2ab + b2

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