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Let C and D be two sets then C – D is equivalent to __________

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Let C and D be two sets then C – D is equivalent to __________

(a) C’ ∩ D

(b) C‘∩ D’

(c) C ∩ D’

(d) None of the mentioned

I have been asked this question during an interview.

Asked question is from Algebraic Laws on Sets topic in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

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Correct answer is (c) C ∩ D’

For explanation I would say: Set C-D will be having those elements which are in C but not in D.

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