Write the given set using listing method. :
A = {(x,y) | x, y in N and x + y = 3}

Write the given set using roster method. : A = {(x,y) | x, y in Z and x + y = 3}

Write the following sets using the listing method : Set of human sensory organs.

Solve the following subquestion: Write the union of the following sets A ={x|x in N and x is a divisor of 12} B= {y|y in N and y is a divisor of 19}

In the set A = {1, 2, 3, 4, 5} , a relation R is defined by R = {(x, y) \ x, y in A and x < y} . Then R is

Use matrix method to solve the equations 5x - 7y = 2 and 7x - 5y = 3