Let a relation R be defined by R = {(4,6); (1,4); (4,6); (7,6); (3,7)} then R−1 oR is
Question 4
A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in the figure as A, B, C and D. In which position mirror will be visible? (a) A (b) B (c) C (d) D