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There exist positive integers n and k such that

32 * 6C6 + 31 * 7C6 + 30 * 8C6 + . . . + 3 * 35C6 + 2 * 36C6 + 37C6 = nCk
Enter the ordered pair (n, k).

 Oct 30, 2019
 #1
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See full solution No. 6 here:  https://web2.0calc.com/questions/help_68853

 Oct 30, 2019

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