Question

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The cartesian product of two sets A and B ie, Ax B = 0, if
B) neither A nor B is null set
A) either A or B is the null set
C) Both A and B
D) None of above​

Answer 1

Answer:

i think the correct ans is A either a or b is the null set

Answer 2

Answer:

Step-by-step explanation:

either a or b is negative