How many solutions are there to the equation x1+x2+x3+x4 = 17 where x1, x2, x3, x4 are integers and (a) x1, x2, x3, x4 ≥ 0 (b) x1, x2, x3, x4 ≥ 1 (c) x1 ≥ 5, x2 ≥ 0, x3 ≥ -3, x4 ≥ 1
How many solutions are there to the equation x1+x2+x3+x4 = 17 where x1, x2, x3, x4 are integers and (a) x1, x2, x3, x4 ≥ 0 (b) x1, x2, x3, x4 ≥ 1 (c) x1 ≥ 5, x2 ≥ 0, x3 ≥ -3, x4 ≥ 1
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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![How many solutions are there to the
equation x1+x2+x3+x4= 17 where x1,
x2, x3, x4 are integers and
(a) x1, x2, x3, x4 ≥ 0
(b) x1, x2, x3, x4 ≥ 1
(c) x1 ≥ 5, x2 ≥ 0, x3 ≥ −3, x4 ≥ 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5780ba1-467b-4395-982b-f39f0fc668c6%2F3e10270a-40c1-4a1a-8bf0-896b51555e73%2F19mv199_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How many solutions are there to the
equation x1+x2+x3+x4= 17 where x1,
x2, x3, x4 are integers and
(a) x1, x2, x3, x4 ≥ 0
(b) x1, x2, x3, x4 ≥ 1
(c) x1 ≥ 5, x2 ≥ 0, x3 ≥ −3, x4 ≥ 1
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