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Statement 1: The total number of dissimi...

Statement 1: The total number of dissimilar terms in the expansion of `(x_1+x_2++x_n)^3i s(n(n+1)(n+2))/6dot` Statement 2: The total number of dissimilar terms in the expansion of `(x_1+x_2+x_3)^ni s(n(n+1)(n+2))/6dot`

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