If `R and S` are two symmetric realations then

If R and R' are symmetric relations (not disjoint) on a set A ,then the relation R uu R' is (i) Reflexive (ii) Symmetric (ii) Transitive (iv) none of these

If R and R' are symmetric relations (not disjoint ) on a set A then the relation R cap R' is not

If R is a symmetric relation on a set A , then write a relation between R and R^(-1) .

If R is a symmetric relation on a set A, then write a relation between R and R^(-1) .

If A and B are two skew symmetric matrices of same order, then AB is symmetric matrix if ……..

If A and B are two skew symmetric matrices of same order then AB is symmetric matrix if __________

Let R and S be two relations on a set A. If (i) R and S are both symmetric on A prove that R cup S and R cup S are also symmetric on A

If A and B are symmetric matrices of the same order,write whether AB-BA is symmetric or skew-symmetric or neither of the two.