If A is a row matrix as well as a column matrix then what is the order of A ?

If A is a row matrix as wll as a column matrix, then what is the order of A ?

Row matrix and column matrix

If A is a matrix of order 3xx4 and B is a matrix of order 4 xx5 then what is the order of the matrix (AB)^(T) ?

If A is a column matrix with 9 rows, find the order of a row R of 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

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

If A is a matrix of order 2xx3 and B is a matrix of order 3xx2 , then what is the order of the matrix AB?