13. Given the following definitions: U = {1, 2, 3, 4, 5, 6, 7} A =...

Question

Question

13.

Given the following definitions:

U = {1, 2, 3, 4, 5, 6, 7}

A = {1, 2, 4, 5}

B = {1, 3, 5, 7}

How many elements are in A' ∪ B' ?

Answer 1

Answer #1

A' ∪ B' ..................by using De Morgans law

{ 1, 5}

Therefore,

{ 2, 3, 4, 6, 7 }

i.e. A' ∪ B' = { 2, 3, 4, 6, 7 }

Answer 2

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