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For what value of k, the matrix [(2k+3,4,5)(-4,0,-6)(-5,6,-2k-3)] is a skew symmetric matrix?

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For what value of k, the matrix [(2k+3,4,5)(-4,0,-6)(-5,6,-2k-3)] is a skew symmetric matrix?

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K =-3/2

Detailed Answer :

Since diagonal elements in a skew symmetric matrix are zero.

We can compare diagonal elements to zero,

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