Let n and k be positive integers and ks n. Provide (a) a direct proof and...
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Let n and k be positive integers and ks n. Provide (a) a direct proof and (b) a combinatorial proof of the following identity: () = 1 k Let n and k be positive integers and ks n. Provide (a) a direct proof and (b) a combinatorial proof of the following identity: () = 1 k
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Ansuser Given i dentity 3D Direct proof The combination formula K ik L k nk Now given that Left h... View the full answer
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