Q11Single correct3 Marks23 Feb 2025Which of the following option(s) is/are true for the relation R1={(x,y):x,y∈R, x2+y2=1}R_1 = \{(x, y) : x, y \in \mathbb{R},\; x^2 + y^2 = 1\}R1={(x,y):x,y∈R,x2+y2=1}?AR1R_1R1 is a reflexive relation.BR1R_1R1 is a symmetric relation.CR1R_1R1 is a transitive relation.DR1R_1R1 is an equivalence relation.
