___________1. Which of the following is the symbol used in proper subset?
a. ∅
b. ∪
c. ∩
d. ∈
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___________1. Which of the following is the symbol used in proper subset?
a. ∅
b. ∪
c. ∩
d. ∈
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Answer:
D is a proper subset
Step-by-step explanation:
A is null set which is wrong
B is union which is also wrong
and C is intersection so it is wrong
therefore the answer is D