If (2 a - 5, 4) = (9, b + 4),then the values of a and b are
7 and 0
0 and 7
2 and 5
5 and 2
Find the values of a and b,if (a - 3, b + 7) = (2, -5) ?
5 and 7
5 and - 12
5 and 12
10 and 2
If R = {(x,y) : x,y z,x2 + y2 ≤ 4} is a relation in Z,then domain of R is .
{0,1,2}
{-2,-1,0}
{-2,-1,0,1,2}
None of these
A = {1,2,3,4,5} and B = {4,6,9}. A relation R from A to B defined by R = {(x,y) : the difference between x and y is odd, x A,y B}.Write R in Roster form.
{(1,4) (1,6) (2,9),(3,4) ,(3,6) (5,4), (5,6)}
{(4,1),(6,2),(9,3),(4,3),(6,3),(4,5),(6,5)}
{(1,4),(2,6 ) (2,9),(3,4) (3,6),(5,4) (5,6)}
Let R be a relation in N defined by R = {(x,y) : x + 2y = 8}.The range of R is.
{2,4,6}
{1,2,3}
{1,2,3,4,6}
Let A and B be two non-empty sets having n elements in common,then A × B and B × A have ___________ elements in common.
n2
n
n/2
2 n
If A and B are any two non-empty sets then if A × B = B × A then
A ≠ B
A = B
A = 2B
If A B and C D then A × C
B
D
B × D
D × B
Let A = {1,2,3},B = {a,b,c,d} be two sets and let R = {(1,a),(1,c),(2,d),(2,c)} be a relation from A to B. The range of R is
{a,c,d}
{a,b,c,d}
{1,2}
Let A = {1,2,3} ,B = {a,b,c,d} be two sets and let R = {(1,a),(1,c),(2,d),(2,c)} be a relation from A to B.The domain of R is
