h1. If C is skew-symmetric matrix of order n and X is `nxx1` column matrix, then `X'CX` is a

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

If C is skew-symmetric matrix of order n and X is n xx1 column matrix,then X^(T)CX is a.singular b.non-singular c.invertible d. non invertible

If C is skew-symmetric matrix of order n and X isnxx1 column matrix, then X^T C X is a. singular b. non-singular c. invertible d. non invertible

If C is skew-symmetric matrix of order na n dXi snxx1 column matrix, then X^T C X is a. singular b. non-singular c. invertible d. non invertible

C is a skew symmetric matrix of order n. X is a column matrix of order nxx1 , then X'CX is a …… matrix.

If A is a skew-symmetric matrix of order 3, then |A|=

If A is a skew symmetric matrix of order n and C is a column matrix of order nxx1 , then C^(T)AC is