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If C is skew-symmetric matrix of order n...

If `C` is skew-symmetric matrix of order `n and X is nxx1` column matrix, then `X^T C X` is a. singular b. non-singular c. invertible d. non invertible

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CENGAGE PUBLICATION-MATRICES-All Questions
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  3. If C is skew-symmetric matrix of order n and X is nxx1 column matrix, ...

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  7. A skew-symmetric matrix A satisfies the relation A^2+I=O ,w h e r e , ...

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  8. If A B=Aa n dB A=B , then a. A^2B=A^2 b. B^2A=B^2 c. A B A=A d....

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  9. Each question has four choices a, b, c and d, out of which only one is...

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  15. If A is a 3xx3 skew-symmetric matrix, then trace of A is equal to -1 b...

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  16. If A and B are symmetric matrices of the same order and X=AB+BA and Y=...

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