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If A=[(a,b),(c,d)],I=[(1,0),(0,1)] then ...

If `A=[(a,b),(c,d)],I=[(1,0),(0,1)]` then `A^(2)-(a+d)A=`

A

`bc-ad`

B

`bc+ad`

C

`ad-bc`

D

`ac-bd`

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A
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AAKASH SERIES-MATRICES -ALGEBRA OF MATRICES - EXERCISE - II
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