यदि \(R=\{(1,5),(2,6),(4,8)\}\) है, तो कौन-सा अवयव (R) के प्रांत में नहीं है?
If \(R=\{(1,5),(2,6),(4,8)\}\), which element is not in the domain of (R)?
Explanation opens after your attempt
C. (3)
Concept
The domain is ({1,2,4}), so (3) is not in it. For domain, look only at the first components.
Why this answer is correct
The correct answer is C. (3). The domain is ({1,2,4}), so (3) is not in it. For domain, look only at the first components.
Exam Tip
प्रांत ({1,2,4}) है, इसलिए (3) इसमें नहीं है। प्रांत में केवल पहले अवयव देखे जाते हैं।
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