Question

2
Progress Check
1. For any two non-empty sets A and B, Ax B is called as
2. If n(A x B) = 20 and n(A) = 5 then n(B) is
3. If A={-1,1} and B = {-1,1} then geometrically describe the set of points of
AXB.
4. If A, B are the line segments given by the intervals (-4, 3) and (-2,3) respectively,
represent the cartesian product of A and B.​

Answer 1

Answer:

1. (no. of elements in A)x(no.of elements in B
2. 4

Answer 2

Answer:

1)(no.of elements in A)x(no.of elements in B

2)4