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Consider a 2xx2 matrix A=[a(ij)] , where...

Consider a `2xx2` matrix `A=[a_(ij)]` , where `a_(ij)=(i+2j)^2/2`
Find `A+A^T`

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Verified by Experts

`a_11=(1+2xx1)^2/2=9/2,`
`a_12=(1+2xx2)^2/2=25/2`
`a_21=(2+2xx1)^2/2=16/2=8`.
`a_22=(2+2xx2)^2/2=36/2=18`,
Hence, `A=[[9/2, 25/2],[8, 18]]`
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A N EXCEL PUBLICATION-MATRICES-QUESTION BANK
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  3. Consider a 2xx2 matrix A=[a(ij)] , where a(ij)=(i+2j)^2/2 Find A+A^T

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