Hi , I can't figure this problem out. if somebody can solve this , that would be amazing. a short description on how it's done is appreciated but optional .

Hi , I can't figure this problem out. if somebody can solve this , that would be amazing. a short description on how it's done is appreciated but optional .

nC5=252

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prove that for every n∈N , ( 2n choose n) is even

Please help! its a combinations question. Thank you!

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They are at the same unit price

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i just need help