Question
Asked Sep 6, 2019

Assume that n(U)=70n(U)=70, n(A)=20n(A)=20, and n(B)=15n(B)=15.

Then n((A∪B)′)=

check_circleExpert Solution
Step 1

The given details are

                n(U) = 70

        &n...

Observe that (AUB) =u \(AnB)
n(AnB) is not given here, so assuming that the intersection is empty
obtain the value of n(AUB)
nAUB)(A)+n(Bn(ANB)
=20 15-0
= 35
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Image Transcriptionclose

Observe that (AUB) =u \(AnB) n(AnB) is not given here, so assuming that the intersection is empty obtain the value of n(AUB) nAUB)(A)+n(Bn(ANB) =20 15-0 = 35

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Advanced Math