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Standard XII

Mathematics

Definition of Sets

If A and ...

Question

If $A$ and $B$ are two sets containing $13$ and $16$ elements respectively, then find the minimum and maximum number of elements in $A \cup B$ ?

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Solution

$n (A) = 13$
$n (B) = 16$
minimum number of elements is
$A \cup B = 16$
maximum number of elements in
$A \cup B = 13 + 16 = 29$

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If A and B are two sets containing 13 and 16 elements respectively, then find the minimum and maximum number of elements in A∪B?

n(A)=13n(B)=16minimum number of elements is A∪B=16 maximum number of elements in A∪B=13+16=29

If $A$ and $B$ are two sets containing $13$ and $16$ elements respectively, then find the minimum and maximum number of elements in $A \cup B$ ?

$n (A) = 13$
$n (B) = 16$
minimum number of elements is
$A \cup B = 16$
maximum number of elements in
$A \cup B = 13 + 16 = 29$