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Free Binomial Expansion Calculator - Expand binomials using the binomial expansion method step-by-step
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10 Οκτ 2024 · Even more confusingly a number of these (and other) related results are variously known as the binomial formula, binomial expansion, and binomial identity, and the identity itself is sometimes simply called the "binomial series" rather than "binomial theorem."
Use the binomial expansion theorem to find each term. The binomial theorem states (a+b)n = n ∑ k=0nCk⋅(an−kbk) (a + b) n = ∑ k = 0 n. n C k ⋅ (a n - k b k). 4 ∑ k=0 4! (4− k)!k! ⋅(x)4−k ⋅(−3)k ∑ k = 0 4 4! (4 - k)! k! ⋅ (x) 4 - k ⋅ (- 3) k. Expand the summation.