How many solutions are there to the equation y, + Y2 + Y3+ Y4 = 34 %3! shown in Example 9.6.5 to answer this question.
How many solutions are there to the equation y, + Y2 + Y3+ Y4 = 34 %3! shown in Example 9.6.5 to answer this question.
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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Transcribed Image Text:How many solutions are there to the equation y, + y, + Y3 + Y4 = 34, if each y, is a non-negative integer? Use the method
shown in Example 9.6.5 to answer this question.
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Transcribed Image Text:Therefore, there are as many solutions to the equation as there are strings of ten crosses
and three vertical bars, namely,
13 12 11 10!
101-3-2-1
10+3
13
13!
= 286.
10
10!(13 – 10)!
Example 9.6.6 illustrates a variation on Example 9.6.5.
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