COS 1501 ASSIGNMENT 2
Johns Hopkins University
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COS 1501 ASSIGNMENT 2
- Exam (elaborations) • 15 pages • 2021
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Question 1(OPTION 4 IS CORRECT) 
Let's go with elimination method. 
From the given expression, it is clear that there should not be 'C' 
(because -C is done). If you observe the given options, 2nd and 3rd 
options have at least some portion of 'C' included. So, the answer 
must be from either 1st or the 4th option. 
A intersection B includes only some portion, and inverse of A 
intersection B will definitely contain A and B, similarly from A+B (i.e. 
it contains A and B). There by the final...
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