SOLUTION: Prove that the |P{B}| =4, Given the set B={ x| x € Z, x2+3x+2=0}
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Question 1118909: Prove that the |P{B}| =4, Given the set B={ x| x € Z, x2+3x+2=0}
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Sorry, not familiar with the notation: |P{B}|. All I can point out is that the enumeration of the set B is {-1,-2}, because the two roots of 
are 
and 
, which coincidentally happen to be integers.
John
My calculator said it, I believe it, that settles it
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