Advanced Math 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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Step 1
Out of 10 judges , 3 judges are to selected.
The number of possible panels that include Donald or Hillary will be calculated as follows
The panel will include Either Donald and not Hillary Or Hillary and not Donald or both
If Donald is selected and Hillary is not selected, then out of remaining 8 judges two will be selected.
this can be done is ways.
In the same way if Hillary is selected and Donald is not selected , this can be done in ways.
If both are selected , then 1 more judge need to be selected, this will selected out of remaining 8 judges
This can be done in ways
therefore, total number of ways is
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