कौन सा विकल्प ({1,2}) के सभी उपसमुच्चयों को सही दिखाता है?
Which option correctly shows all subsets of ({1,2})?
Explanation opens after your attempt
Correct Answer
A. \(\varnothing,{1},{2},{1,2}\)
Concept
A two element set has (4) subsets. Include singletons and the whole set.
Why this answer is correct
The correct answer is A. \(\varnothing,{1},{2},{1,2}\). A two element set has (4) subsets. Include singletons and the whole set.
Exam Tip
दो अवयवों वाले समुच्चय के (4) उपसमुच्चय होते हैं। एकल अवयव और पूरा समुच्चय दोनों शामिल करें।
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