यदि \(A=\{1,2,3,4\}\) पर \(R={(a,b):a\) और (b) दोनों विषम हैं(}) हो तो (R) का सही रूप क्या है?
If on \(A=\{1,2,3,4\}\), \(R={(a,b):a\) and (b) are both odd(}), which is the correct form of (R)?
Explanation opens after your attempt
Correct Answer
A. \({(1,1),(1,3),(3,1),(3,3)}\)
Concept
The odd elements in (A) are (1) and (3), so all ordered pairs are formed from them. Check both components in the condition.
Why this answer is correct
The correct answer is A. \({(1,1),(1,3),(3,1),(3,3)}\). The odd elements in (A) are (1) and (3), so all ordered pairs are formed from them. Check both components in the condition.
Exam Tip
(A) में विषम अवयव (1) और (3) हैं इसलिए इन्हीं से सभी क्रमित युग्म बनेंगे। शर्त में दोनों अवयवों को जांचें।
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