wendy42 wendy42

17-07-2016
Mathematics

contestada

A=(1,2,5,7,8)
B=(5,9,10,12)
How many subset does set B have.

Respuesta :

konrad509 konrad509

17-07-2016

[tex]n(B)=4 \Rightarrow P(B)=2^4=16[/tex]

[tex]A\cup B=\{1,2,5,7,8,9,10,12\}\\ n(A\cup B)=8[/tex]

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