यदि \(R=\{(a,b):|a-b|=1\}\) है, तो कौन-सा pair (R) में है?
If \(R=\{(a,b):|a-b|=1\}\), which pair is in (R)?
Explanation opens after your attempt
B. ( (5,4) )
Concept
Since (|5-4|=1), ( (5,4) ) belongs to the relation. In absolute value, the sign of the difference does not matter.
Why this answer is correct
The correct answer is B. ( (5,4) ). Since (|5-4|=1), ( (5,4) ) belongs to the relation. In absolute value, the sign of the difference does not matter.
Exam Tip
(|5-4|=1), इसलिए ( (5,4) ) relation में है। absolute value में difference का sign मायने नहीं रखता।
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