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If matrix [(1,2,-1),(3,4,5),(2,6,7)] and...

If matrix `[(1,2,-1),(3,4,5),(2,6,7)]` and its inverse is denoted by `A^(-1)=[(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)),(a_(31),a_(32),a_(33))]` value of `a_(32)=`

A

`(1)/(34)`

B

`(-2)/(17)`

C

`(1)/(17)`

D

`(-1)/(17)`

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The correct Answer is:
d
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TARGET PUBLICATION-MATRICES-CRITICAL THINKING ( 2. 1 Elementary Transformations)
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