Reflexive : (a1,b)R(a1,b1)⇒b1=b1 True Symmetric : (a1,b1)R(a2,b2)⇒b1=b2(a2,b2)R(a1,b1)⇒b2=b1} True Transitive : (a1,b1)R(a2,b2)⇒b1=b2&(a2,b2)R(a3,b3)b2=b3⇒(a1,b1)R(a3.b3)⇒ True }b1=b3 Hence Relation R is an equivence relation Statement-I is true. For statement −II⇒y=b so False