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If A = {1, 2, 3} and B = {3, 4, 5}, what is A - B?
If A = {1, 2, 3} and B = {3, 4, 5}, what is A - B?
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Q1
If A = {1, 2, 3} and B = {3, 4, 5}, what is A - B?
{1, 2}
{3}
{4, 5}
{1, 2, 3, 4, 5}
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The difference of sets A and B, A - B, contains elements that are in A but not in B. Here, A - B = {1, 2}.
Questions & Step-by-step Solutions
1 item
Q
Q: If A = {1, 2, 3} and B = {3, 4, 5}, what is A - B?
Solution:
The difference of sets A and B, A - B, contains elements that are in A but not in B. Here, A - B = {1, 2}.
Steps: 6
Show Steps
Step 1: Identify the elements in set A. Set A contains {1, 2, 3}.
Step 2: Identify the elements in set B. Set B contains {3, 4, 5}.
Step 3: Look for elements that are in set A but not in set B.
Step 4: Check each element in set A: 1 is not in B, 2 is not in B, and 3 is in B.
Step 5: Collect the elements from A that are not in B. The elements are 1 and 2.
Step 6: Write the result as a set. A - B = {1, 2}.
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