यदि \(A=\{1,2,3,4\}\) पर \(R=\{(a,b):a=b^2\}\) हो तो (R) कौन सा है?
If on \(A=\{1,2,3,4\}\), \(R=\{(a,b):a=b^2\}\), which is (R)?
Explanation opens after your attempt
Correct Answer
A. \({(1,1),(4,2)}\)
Concept
For (b=1), (a=1), and for (b=2), (a=4). For (b=3,4), (a) is not in the set.
Why this answer is correct
The correct answer is A. \({(1,1),(4,2)}\). For (b=1), (a=1), and for (b=2), (a=4). For (b=3,4), (a) is not in the set.
Exam Tip
(b=1) पर (a=1) और (b=2) पर (a=4) मिलता है। (b=3,4) पर (a) समुच्चय में नहीं आता।
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