'A' and 'B' are two sets, if n(A) = 6 n(B) = 7 and n(AnB) = 2 then what is the value of n(AUB) ?
(a) 13
(b) 8
(c) 9
(d) None of these
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Answer:
d:none of these
Step-by-step explanation:
use this formula
n(AUB) =n(A) +n(B) -n(AnB)
=6+7-2
=11
then 11 is not in the options then simply the is non e of these
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