Mathematics in the modern world
Given:
U = {1,2,3,4,5,6,7,8,9},
A = {2,5},
B = {5,7,9},
C= {x x is an odd number less than 9}, and
D= {x x is an even number less than 9}.

1. A - C
Solution:

A - i C = {2,5} - i{1,3,5,7}
A - i C = {2}

2. B - D'
3. (A B)' - C
4. D-(B A)

Question

Mathematics in the modern world
Given:
U = {1,2,3,4,5,6,7,8,9}, 
A = {2,5}, 
B = {5,7,9},
C= {x  x is an odd number less than 9}, and
D= {x  x is an even number less than 9}.
 
1. A - C
   Solution:
 
A - i C       = {2,5} - i{1,3,5,7} 
A - i C       = {2}
 
2. B - D'
3. (A  B)' - C
4. D-(B  A)

Mathematics in the modern world

Given:

U = {1,2,3,4,5,6,7,8,9},

A = {2,5},

B = {5,7,9},

C= {x x is an odd number less than 9}, and

D= {x x is an even number less than 9}.

1. A - C

Solution:

A - i C = {2,5} - i{1,3,5,7}

A - i C = {2}

2. B - D'

3. (A B)' - C

4. D-(B A)

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Mathematics in the modern world Given: U = {1,2,3,4,5,6,7,8,9}, A = {2,5}, B = {5,7,9}, C= {x x is an odd number less than 9}, and D= {x x is an even number less than 9}. 1. A - C Solution: A - i C = {2,5} - i{1,3,5,7} A - i C = {2} 2. B - D' 3. (A B)' - C 4. D-(B A)