The function f(x) = is
discontinuous at origin because is discontinuous there
continuous at origin
discontinuous at origin because both and are discontinuous there
discontinuous at the origin because is discontinuous there
D.
discontinuous at the origin because is discontinuous there
The relation R = {(1, 1), (2, 2), (3, 3)} on the set { 1, 2, 3} is
symmetric only
reflexive only
an equivalence relation
transitrve only
The angle between the vectors a + b and a - b when a = (1, 1, 4) and b = (1, - 1, 4) is
45°
90°
15°
30°