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Question
Write the element a23 of a 3 ✕ 3 matrix A = (aij) whose elements aij are given by `a_(ij)=∣(i−j)/2∣`
Solution
Given:
`a_(ij)=∣(i−j)/2∣`
`∴ a_23=∣(2−3)/2∣=∣−1∣/2=1/2`
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