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"If A" = [{:(1, 2), (1, 3):}] , then fin...

`"If A" = [{:(1, 2), (1, 3):}]` , then find `A^(-1) + A`.
(a) I (b) 2I (c) 3I (d) 4I

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` A = [{:(1, 2), (1, 3):}], A^(-1) = [{:(3, -2), (-1, 1):}]`
`rArr A^(-1) + A = [{:(4, 0), (0, 4):}] = 4I.`
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PEARSON IIT JEE FOUNDATION-MATRICES-EXERCISE CONCEPT APPLICATION (LEVEL 3)
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