If A=[a(ij)](3xx3) is a scalar matrix su...

If `A=[a_(ij)]_(3xx3)` is a scalar matrix such that `a_(ij)=5" for all "i=j," then: "|A|=`

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Let A=[a_(ij)]_(3xx3) be a matrix such that a_(ij)=(i+2j)/(2) where i,j in [1, 3] and i,j inN . If C_(ij) be a cofactor of a_(ij), then the value of a_(11)C_(21)+a_(12)C_(22)+a_(13)C_(23)+a_(21)C_(31)+a_(22)C_(32)+a_(33)C_(33)+a_(31)C_(11)+a_(32)C_(12)+a_(33)C_(13) is equal to

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Given A=[a_(ij)]3xx3 be a matrix, where a_(ij)={i-j if i != j and i^2 if 1=j If C_(ij) be the cofactor of a_(ij), in the matrix A and B = [b_(ij)]3xx3 be a matrix such that bch that b_(ij)=sum_(k=1)^3 a_(ij) c_(jk), then the value of [(3sqrt(det B))/8] is equal to(where denotes greatest integer function and det B denotes determinant value of B)

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