SOLUTION: If a and b are disjoint sets than how can you find n(AuB)

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Question 1087002: If a and b are disjoint sets than how can you find n(AuB)
Answer by ikleyn(52800) About Me  (Show Source):
You can put this solution on YOUR website!
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Then n(AuB) = n(A) + n(B).


Notice that your formulation is inaccurate: The accurate formulation is THIS: 

    If A and B are disjoint finite sets then how can you find n(AuB) ?