eduhilfe Latest Questions
(A) R is reflexive and symmetric but not transitive. (B) R is reflexive and transitive but not symmetric. (C) R is symmetric and transitive but not reflexive. (D) R is an equivalence relation.
(i) a * b = a–b (ii) a * b = (iii) a * b = a + ab (iv) a * b =
(i) f (x) = | x | and g(x) = | 5x – 2 | (ii) f(x) = 8 and g(x)=
( Hint : For y Range f, y = f(x) = , for some x ...
Relation R in the set N of natural numbers defined as R = {(x, y) : y = x + 5 and x < 4}
(i) R = {(a, b) :|a–b| is a multiple of 4} (ii) R = {(a, b) : a = b} is an equivalence relation. Find the set of all elements related to 1 in each case.
Relation R in the set A of human beings in a town at a particular time given by (a) R = {(x, y) : x and y work at the same place } (b) R = {(x, y) : x and ...
Relation R in the set A = {1, 2, 3, 4, 5, 6} as R = {(x, y) : y is divisible by x}