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Let n e N. Use lattice paths to give a combinatorial proof of the identity 2n 2n (2k 2n 2k 1 () 1 1

Let n e N. Use lattice paths to give a combinatorial proof of the identity 2n 2n (2k 2n 2k 1 () 1 1 n+1 k+1 k k-0 n n -

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Solution Answer 1 We must travel 2n2n steps and nn of them must be in the up direction Thus there ar... blur-text-image

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