Show that n C r 1 + n C r = n + 1 C r


Show that nCr – 1 + n Cr = n + 1Cr for n ≥ r ≥ 1.

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Finite Mathematics For Business Economics Life Sciences And Social Sciences

ISBN: 9780134862620

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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