[最新] (a+b+c)^3 expansion formula 268121-(a+b)^3 expansion formula
(a b) 1 = a b (a b) 2 = (a b) * (a b) = a 2 2ab b 2;Explanation Binomial formula for (a b)3 ⇒3 C0a3b0 3 C1a2b1 3 C2a1b2 3 C3a0b3 Here, a = x and b = 1 ⇒3 C0x3 3 C1x2 × 11 3 C2x1 ×12 3 C3 × 13 As →3 C0 =3 C3 = 1 and →3 C1 =3 C2 = 3 ⇒ x3 3x2 3x 1In mathematics, a trinomial expansion is the expansion of a power of a sum of three terms into monomials The expansion is given by The expansion is given by ( a b c ) n = ∑ i j k = n i , j , k ( n i , j , k ) a i b j c k , {\displaystyle (abc)^{n}=\sum _{\stackrel {i,j,k}{ijk=n}}{n \choose i,j,k}\,a^{i}\,b^{\;\!j}\;\!c^{k},} Graph Graph Equations And Equation Systems With Step By Step Math Problem Solver (a+b)^3 expansion formula