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If A = {x | x is a natural number less than 5} and B = {x | x is a natural numbe
If A = {x | x is a natural number less than 5} and B = {x | x is a natural number less than 3}, what is A - B?
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Practice Questions
1 question
Q1
If A = {x | x is a natural number less than 5} and B = {x | x is a natural number less than 3}, what is A - B?
{1, 2}
{3, 4}
{1, 2, 3, 4}
{2, 3, 4}
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Set A = {1, 2, 3, 4} and set B = {1, 2}. Thus, A - B = {3, 4}.
Questions & Step-by-step Solutions
1 item
Q
Q: If A = {x | x is a natural number less than 5} and B = {x | x is a natural number less than 3}, what is A - B?
Solution:
Set A = {1, 2, 3, 4} and set B = {1, 2}. Thus, A - B = {3, 4}.
Steps: 5
Show Steps
Step 1: Identify the natural numbers less than 5. These are 1, 2, 3, and 4. So, set A = {1, 2, 3, 4}.
Step 2: Identify the natural numbers less than 3. These are 1 and 2. So, set B = {1, 2}.
Step 3: To find A - B, we need to remove the elements of set B from set A.
Step 4: Remove 1 and 2 from set A. The remaining elements are 3 and 4.
Step 5: Therefore, A - B = {3, 4}.
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