ICSE Class 6 Answered
Expert i have two questions in doubt can u please tell me the answer and how to solve them.
1.Consider the formula n(A U B) = n(A) + n(B) - n(A B). ...
2.A = {b, 1, 2, 4, 6} and B = {4, a, b, c, d, f} A B =?
thankyou.
thankyou.
Asked by Prasad Uppaladhadium | 15 Mar, 2014, 11:36: AM
Expert Answer
A={b,1,2,4,6} and B={4,a,b,c,d,f}
Now let us findn(A U B):
n(A) = 5
n(B) = 6
n(A intersection B) = 2
We know that, n(A U B) = n(A) + n(B) - n(A intersection B)
Therefore, n(A U B) = 5 + 6 - 2 = 11 - 2 = 9
Answered by | 15 Mar, 2014, 11:05: PM
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