Symmetric Matrix:
A square matrix is symmetric, if it is equal to its
a) negative
b) square
c) transpose
d) none of these
A symmetric matrix is…..matrix
a) rectangular
b) square
c) row
d) none of these
[4] is a ……matrix
a) row
b) square
c) symmetric
d) All of these
Explanation:Since it is has one row, its number of rows and columns are equal and its transpose is same as original matrix, so option (d) is correct.
A+At=?
a) symmetric
b) skew-symmetric
c) negative
d) none of these