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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
7.5 Difference of Two Sets

If A and B are any two sets then,
A - B = {x/x A and x B}.
B - A = {x/x B and x A}.

Symmetric Difference of Two Sets:
If A and B are two sets the symmetric difference these sets is (A - B) (B - A), and is denoted by A Δ B.


Directions: Solve the following problems. Also write at least 5 examples of your own.
Q 1: If A = {2, 4, 6, 8} and B = {1, 2, 3, 4}, then find A - B.
{1, 3}
{6, 8}

Q 2: If A = {1, 3, 5, 7, 9} and B = {1, 2, 3, 4}, then find the symmetric difference of A and B.
{2, 4, 5, 7, 8, 9}
{2, 4, 5, 7, 9}

Q 3: If A = {2, 4, 6, 8} and B = {1, 2, 3, 4}, then find B - A.
{1, 3}
{6, 8}

Q 4: If A = {1, 3, 5, 7, 9} and B = {1, 2, 3, 4}, then find B - A.
{2, 4}
{5, 7, 9}

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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