\(4=2\cdot2\), इसलिए \((2,4)\in R\) है। गुणा वाले rule में second component ध्यान से देखें। / Since \(4=2\cdot2\), \((2,4)\in R\). In multiplication rules, check the second component carefully.
Mathematics Answer, Explanation and Revision Hints
यदि \(A=\{1,2,4,8\}\) और \(R=\{(a,b):b=2a\}\) है, तो (R) में कौन-सा pair होगा? / If \(A=\{1,2,4,8\}\) and \(R=\{(a,b):b=2a\}\), which pair will be in (R)?
Correct Answer: C. ( (2,4) ). Explanation: \(4=2\cdot2\), इसलिए \((2,4)\in R\) है। गुणा वाले rule में second component ध्यान से देखें। / Since \(4=2\cdot2\), \((2,4)\in R\). In multiplication rules, check the second component carefully.
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