Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Mathematical Science Analysis Elementary Set Theory
यदि A = {1, 2} और B = {0, 1}, तो A × B =
1
{(1, 0), (1, 1), (2, 0), (2, 1)}
2
{(1, 0), (2, 1)}
3
{(1, 1), (1, 2), (0, 1), (0, 2)}
4
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