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Which of the following is not correct?...

Which of the following is not correct? (a)`|A|=|A^T|` , where `A=[a_(i j)]_(3xx3)` (b) `|k A|=k^3|A|` , where `A=[a_(i j)]_(3xx3)` (c) If `A` is a skew-symmetric matrix of odd order, then `|A|=0` (d) `|(a+b, c+d), (e+f,g+h)|=|(a, c),( e,g)|+|(b, d),(f,h)|`

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