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  1. ...the binomial theorm we have that the (j+1)th term of (a+b)^n is (nCj) a^(n-j) b^j So the fifth term of (2x-1)^7 is (7C4) (2x)^3...

    4 Answers · Science & Mathematics · 02/12/2007

  2. ... N_1,...,N_m such that X = U(j = 1, m) A_(N_j) Let k = max{N_1,...,N_m}. For every x in X, there...

    2 Answers · Science & Mathematics · 20/06/2014

  3. ...n) has a subsequence (n_j) such that sin(n_j) → -1, which implies a_n_j = n_j^sin(n_j) → 0. We see a_n has a subsequence that goes...

    1 Answers · Science & Mathematics · 02/10/2008

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