Let S be a multiset with k elements whose repetition numbers are n,...,nk. Prove that if...
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Let S be a multiset with k elements whose repetition numbers are n₁,...,nk. Prove that if r ≤ n₁ + ··· +nk, the number of r- combinations of elements in S is the coefficient of " in the polynomial expansion of II₁ / ₁ (¹ + x + ... + x¹₁ П Let S be a multiset with k elements whose repetition numbers are n₁,...,nk. Prove that if r ≤ n₁ + ··· +nk, the number of r- combinations of elements in S is the coefficient of " in the polynomial expansion of II₁ / ₁ (¹ + x + ... + x¹₁ П
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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