Math, asked by alexpkoommen, 1 month ago

A and B are two sets having 3 elements in common if number of elements in a is 5 and number of elements in b is for find number of elements in a cross b

Answers

Answered by vaibhavii47

4

Given cardinal number of set A is 5

Given cardinal number of set B is 4

From these we can ascertain n(AxB) :

Therefore n(AxB) = 5 x 4 = 20.

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