find the number of six-digit positive integers whose digits sum to 30 the answer is C(34,5) - C(25,5) - 5C(24,5) + 5C(15,5) +C(5,2)C(14,5) - C(5,2) I just have no idea how to get here. Thanks!
find the number of six-digit positive integers whose digits sum to 30 the answer is C(34,5) - C(25,5) - 5C(24,5) + 5C(15,5) +C(5,2)C(14,5) - C(5,2) I just have no idea how to get here. Thanks!
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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find the number of six-digit positive integers whose digits sum to 30
the answer is C(34,5) - C(25,5) - 5C(24,5) + 5C(15,5) +C(5,2)C(14,5) - C(5,2) I just have no idea how to get here. Thanks!
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