Let \(A=\{2,3,4\}\) and \(B=\{8,9,12\}\). Then the number of elements in the relation \(R=\left\....

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Let \(A=\{2,3,4\}\) and \(B=\{8,9,12\}\). Then the number of elements in the relation \(R=\left\{\left(\left( a _1, b_1\right),\left(a_2, b_2\right)\right) \in(A \times B\right.\), \(A \times B): a_1\) divides \(b_2\) and \(a_2\) divides \(\left.b_1\right\}\) is: 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




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