कौन-सा विकल्प सामान्यतः सत्य नहीं है?
Which option is generally not true?
Explanation opens after your attempt
Correct Answer
C. (A-B=B-A)
Concept
Order matters in set difference, so (A-B) and (B-A) are generally not equal. Union and intersection are commutative.
Why this answer is correct
The correct answer is C. (A-B=B-A). Order matters in set difference, so (A-B) and (B-A) are generally not equal. Union and intersection are commutative.
Exam Tip
समुच्चय अंतर में क्रम महत्वपूर्ण है, इसलिए (A-B) और (B-A) सामान्यतः समान नहीं होते। संघ और प्रतिच्छेद क्रमविनिमेय होते हैं।
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