Abstract
This triangle – better described as an array – is associated with the Binomial Theorem 2.1; this expresses the powers of (1+z) in terms of successive powers of z:
The next result shows that the coefficients involved represent the number of ways of choosing k elements from r, as assumed in the first chapter.
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© 2011 Springer-Verlag London Limited
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Camina, A., Lewis, B. (2011). Matrices, Sequences and Sums. In: An Introduction to Enumeration. Springer Undergraduate Mathematics Series. Springer, London. https://doi.org/10.1007/978-0-85729-600-9_5
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DOI: https://doi.org/10.1007/978-0-85729-600-9_5
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