Answer:
Following are the solution to the given points:
Step-by-step explanation:
In point 1:
The Reflexive closure:  
Relationship R reflexive closure becomes achieved with both the addition(a,a) to R Therefore, (a,a) is  
Thus, the reflexive closure: 
In point 2:
The Symmetric closure:
R relation symmetrically closes by adding(b,a) to R for each (a,b) of R  Therefore, here (b,a) is:  

Thus, the Symmetrical closure:
