How many elements will be there for A \times B if A=\{a,b,c,d\} and B=\{1,2



Answered question


How many elements will be there for A×B if A={a,b,c,d} and B={1,2,3,4}
Select one:
1) 6
2) 2
3) 8
4) 16

Answer & Explanation

Alix Ortiz

Alix Ortiz

Skilled2021-08-13Added 109 answers

Step 1
If a set A has m elements
and a set B has n elements
Then A×B has m×n elements
Step 2
Clearly A has 4 elements and B has 4 elements
Then A×B has 4×4=16 elements
therefore option (D) is True

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