1. If 4 = (1,2), then A × A × A = {(1, 1, 1) (2, 2, 2) (1, 2, 2) (2, 1, 1)} 2. The order pair (5, 2) belong to the relation

Question

State True or False for the following statements:

1. If 4 = (1,2), then A × A × A = {(1, 1, 1) (2, 2, 2) (1, 2, 2) (2, 1, 1)}

2. The order pair (5, 2) belong to the relation

R = {ix, y): y= - 5, x, y ∈ Z)

3. The domain of f(x) = x² + 2 always a real number.

4. For any real function f(x) co-domain of f = Range of f always.

5. The range of f(x) = 1 + cos x always a real number.

Answer 1

1. False

2. False

3. True

4. False

5. False