Question

If set X = {1, 2, 3} and Y = {1, 4, 6, 9}, list down the elements of the following relations

a) y is the square of x
b) y is divisible by x

Answer 1

Answer:

element of B. In symbols we write A ⊂ B if a ∈ A ⇒ a ∈ B. ... 2x – 1 is an odd number for x = 1, 2, ... , 9. ... Example 3 If X and Y are subsets of the universal set U