Suppose A, B, C, D, E and F are six students. How many ways can they be seated in a row if: There is no restriction on the seating. A and B must sit next to one another. A and B must not sit next to one another.
Suppose A, B, C, D, E and F are six students. How many ways can they be seated in a row if: There is no restriction on the seating. A and B must sit next to one another. A and B must not sit next to one another.
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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sub: discrete math
- Suppose A, B, C, D, E and F are six students. How many ways can they be seated in a row if:
- There is no restriction on the seating.
- A and B must sit next to one another.
- A and B must not sit next to one another.
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