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    Combinatorial Proof

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    i*["n choose i"] = n*["n-1 choose i-1"].

    (See attached file for the more mathematical version.)

    © BrainMass Inc. brainmass.com December 24, 2021, 4:50 pm ad1c9bdddf
    https://brainmass.com/math/combinatorial-proof-prove-function-10204

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    Solution Summary

    In this we problem we prove that, i*["n choose i"] = n*["n-1 choose i-1"]. Includes Word attachment.

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