perplexus.info :: Just Math : Integer Check Conclusion

Integer Check Conclusion (Posted on 2016-01-06)

Is the expression gcd(X, Y)*C(Y,X)/Y always an integer for every pair (X,Y) of postive integers with 1 ≤ X ≤ Y.

Give reasons for your answer.

*** C(m,n) = (m)!/(n!*(m-n)!)

No Solution Yet Submitted by K Sengupta

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