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Construct a 2xx3 matrix A = [a(ij)], who...

Construct a` 2xx3` matrix `A = [a_(ij)],` whose elements are given by `a_(ij) =(i+2j)^(2)/2`

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we have , A =`[{:(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)):}]_(2xx3)`
Since, `a_(ij)=(i+2j)^(2)/2`, "therefore"
`a_(11)=(1+2)^(2)/2=(9)/(2),a_(12)=(1+4)^(2)/2=(25)/(2)`,
`a_(13)=(1+6)^(2)/2=(49)/(2),a_(21)=(2+2)^(2)/2=8`,
`a_(22)=(2+4)^(2)/2=18 and a_(23)=(2+6)^(2)/2=32`,
Hence , the required matrix is A = `[{:((9)/(2),(25)/(2),(49)/(2)),(8,18,32):}]`
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