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Find the Adjoint of the Matrix a - Mathematics and Statistics

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प्रश्न

Find the adjoint of the matrix `"A" = [(2,-3),(3,5)]`

योग

उत्तर

`"A" = [(2,-3),(3,5)]`

A11 = (-1)1+1 (5) = 5

A12 = (-1)1+2 (3) = -3

A21 = (-1)2+1 (-3) = 3

A22 = (-1)2+2 (2) = 2

∴ adj (A)`=[(5,3),(-3,2)]`

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2014-2015 (October)

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