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Recent questions tagged relations
+2
votes
1
answer
Find the set of real ‘ x ‘ for which the function f (x) = 1 / [|x - 1|] + [|12 - x|] - 11 is not defined, where [ . ]
asked
Apr 6, 2019
in
JEE
by
kratos
applications of derivatives
class-11
jee
trigonometric identities
relations and functions
jee mains
functions
relations
+2
votes
1
answer
Let a relation R be defined by R = {(4,5), (1,4), (4,6) (7,6) (3,7)}, then R^-1 OR is equal to
asked
Apr 5, 2019
in
JEE
by
kratos
class-11
jee
class-9
relations and functions
jee mains
class-12
relations
sets
+1
vote
1
answer
Give an example of a relation which is reflexive and symmetric but not transitive.
asked
Apr 2, 2019
in
Class 12
by
kratos
class-12
relations and functions
relations
+3
votes
1
answer
m is said to be related to n if m and n are integers and m − n is divisible by 13. Does this define an equivalence relation?
asked
Mar 29, 2019
in
Class 12
by
kratos
class-12
relations
relation
+1
vote
1
answer
Let A = {3, 5} and B = {7, 11}. Let R = {(a, b): a ∈ A, b ∈ B, a-b is odd}. Show that R is an empty relation from A into B.
asked
Mar 28, 2019
in
Class 12
by
kratos
class-11
class-9
class-12
relations
+3
votes
1
answer
Find |x| + |y| and |x + y| and find the relation between them in each of the following cases.
asked
Mar 18, 2019
in
JEE
by
kratos
factorization of polynomials
class-11
jee
gas laws
class-9
jee mains
relations
+3
votes
1
answer
Determine the domain and range of the relation R defined by (i) R = {(x, x + 5): x ∈ {0, 1, 2, 3, 4, 5}
asked
Mar 14, 2019
in
Class 12
by
kratos
class-12
class-11
relations
+3
votes
1
answer
Let A={1,2} B={1,2,3,4} C={5,6} D={5,6,7,8} then verify A × C is a subset of B x D.
asked
Mar 13, 2019
in
Class 12
by
kratos
relation
class-11
class-10
relations and functions
class-12
relations
+2
votes
1
answer
Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as aRb
asked
Mar 10, 2019
in
Class 12
by
kratos
class-11
relations and functions
class-12
relations
sets
+1
vote
1
answer
If a ∈ {- 1, 2, 3, 4, 5} and b ∈ {0, 3, 6}, write the set of all ordered pairs (a, b) such that a + b = 5.
asked
Mar 9, 2019
in
Class 11
by
kratos
class-11
relations
+2
votes
1
answer
Consider the following relations R ={(x, y) | x, y are real numbers and x = wy for some rational number w}
asked
Mar 6, 2019
in
JEE
by
kratos
jee
class-9
relations and functions
set
jee mains
relations
sets
+1
vote
1
answer
Write down its domain, codomain and range.
asked
Mar 5, 2019
in
Class 11
by
kratos
class-11
class-9
relations and functions
relations
+2
votes
1
answer
If O is the origin and Q(-2, -4) is a point on OP such that OQ = (1/3)OP, find the coordinates of P.
asked
Feb 22, 2019
in
JEE
by
kratos
jee
class-10
jee mains
coordinate geometry
class-12
relations
+1
vote
1
answer
R = {(x, y) : x and y live in the same locality}
asked
Feb 22, 2019
in
Class 12
by
kratos
relations and functions
class-12
relations
+3
votes
1
answer
Determine whether the relation R in the set A = {1,2,3,4,5,6} as R = {x,y}:y is divisible by x is reflexive,
asked
Feb 19, 2019
in
Class 12
by
kratos
relations and functions
class-12
relations
relation
+2
votes
1
answer
Show that the relation R in the set A of all the books in a library of a college,
asked
Feb 16, 2019
in
Class 12
by
kratos
class-9
relations and functions
class-12
relations
bitsat
+2
votes
1
answer
Prove that: (i) (A ∪ B) x C = (A x C) = (A x C) ∪ (B x C) (ii) (A ∩ B) x C = (A x C) ∩ (B x C)
asked
Feb 16, 2019
in
Class 11
by
kratos
class-11
relations
+3
votes
1
answer
Let R be a relation defined as α RB if α is perpendicular to β, where α,β are straight line in a plane, then relation R is :
asked
Feb 15, 2019
in
Class 12
by
kratos
class-9
class-12
relations
bseb model set
+2
votes
1
answer
Show that the relation R in the set A = {1, 2, 3, 4, 5} given by R = {(a, b) : |a – b| is even}, is an
asked
Feb 14, 2019
in
Class 12
by
kratos
class-12
relations and functions
relations
relation
cbse
sets
+2
votes
1
answer
The relation f is defined by f(x) = {(x^2, 0 ≤ x ≤ 3),(3x, 3 ≤ x ≤ 10) The relation g is defined by g(x) = {(x^2, 0 ≤ x ≤ 2),
asked
Feb 14, 2019
in
Class 12
by
kratos
relation
class-11
relations and functions
class-12
relations
sets
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