1. (12 points) Determine whether the relation R on the set of real numbers is reflexive, symmetric, and/or transitive. If it fails to have any particular property, give an example on which it fails. (a) R= {a,bla = 26} for a, b ER Solution: Type your solution here. (b) R= {m, nm = 1 or n = 1} for m, n ER Solution: Type your solution here. (C) R= {a,b|a +b =0} for a, b ER Solution: Type your solution here. (d) R= {x,yry > 1} for x,y ER Solution: Type your solution here