Let S = {₁, ₂, 3, 4, 5, 6, 7} be the set of 7 distinct integers. Use the Pigeonhole Principle to show that there exists a permutation ejeezeesege of S such that is odd. ejez (e3+1)(₁+1) -

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Let S = {₁, ₂, 3, 4, 5, 6.7} be the set of 7 distinct integers. Use the Pigeonhole
Principle to show that there exists a permutation ejezegezege of 5 such that
€₁₂(e3 + 1)(₁+1)
is odd.
2. The figure below shows a 9x8 rectangular grid with 8 specified segments AB, BC, CD,
DE. FG. FH. GI, HI. Use the Generalized Principle of Inclusion and Exclusion to find
the number of shortest routes from O to P such that each shortest routes must pass
through exactly 3 of the 8 segments.
0
A
B
D
E
G
F
1
H
P
Transcribed Image Text:1. Let S = {₁, ₂, 3, 4, 5, 6.7} be the set of 7 distinct integers. Use the Pigeonhole Principle to show that there exists a permutation ejezegezege of 5 such that €₁₂(e3 + 1)(₁+1) is odd. 2. The figure below shows a 9x8 rectangular grid with 8 specified segments AB, BC, CD, DE. FG. FH. GI, HI. Use the Generalized Principle of Inclusion and Exclusion to find the number of shortest routes from O to P such that each shortest routes must pass through exactly 3 of the 8 segments. 0 A B D E G F 1 H P
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