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In this lesson, we will learn how to find the difference between two sets.

Q1:

Find { 5 1 } β { 1 5 } .

Q2:

Given that π = { π , β , π } and π = { β , π , π , π } , find π β π .

Q3:

Given { 1 , 2 , 3 } β { 3 } = { 1 , π₯ } , find the value of π₯ .

Q4:

If π΄ = { π , π , π , π , π } , π΅ = { π , π , π , π } , and πΆ = { π , π , π , β } , which operation is equivalent to ( π΄ β π΅ ) β© πΆ ?

Q5:

Given { 3 0 , 4 6 , 3 } β { 4 6 } = { 3 , 5 π₯ } , find the value of π₯ .

Q6:

Given { 5 , 2 , 4 } β { 4 , π₯ } = { 2 } , find the value of π₯ .

Q7:

Given { 5 , π₯ β 8 } β { 7 , 5 , 6 } = { 1 } , find the value of π₯ .

Q8:

Find { π , π } β { π , π₯ } .

Q9:

Find { π₯ , π , π } β { π , π , π , β , π } .

Q10:

Find { 7 7 } β { 7 } .

Q11:

If π = { 3 , 4 , 9 , 8 } and π = { 5 , 0 } , what is π β π ?

Q12:

If π = { 9 , 6 , 8 } and π = { 0 , 7 , 4 } , what is π β π ?

Q13:

If π = { 8 , 7 , 2 , 1 , 4 } and π = { 6 , 5 , 9 } , what is π β π ?

Q14:

If π is the set of even numbers between, but not including, 0 and 8, and π is the set of digits of the number 541, what is π β π ?

Q15:

If π = { 8 , 5 , 3 , 0 } and π is the set of digits of 148, what is π β π ?

Q16:

If π = { π , β , π , π } , π = { π§ , π , π , π } , π = { β , π§ , π , π } , and π = { π , π , π , π , β , π₯ , π§ , π } where π is the universal set, what is ( π β π ) βͺ π ?

Q17:

If π = { π , π , β , π } , π = { π , π , π , π } , π = { π , π , π , π } , and π = { β , π , π , π , π , π , π , π } where π is the universal set, what is ( π βͺ π ) β π ?

Q18:

Given { 8 , 3 , 7 } β { 7 , 8 } = { π₯ β 6 } , find the value of π₯ .

Q19:

What is β β β ?

Q20:

Find { 4 } β { 1 , 2 , 0 , 4 } .

Q21:

Given π₯ β { 1 , 2 } β { 9 , 1 } , find the value of π₯ .

Q22:

If π΄ = { 1 2 , 1 4 , 1 6 } and π΅ is the set of odd numbers less than or equal to 17, what is π΄ β π΅ ?

Q23:

Find { 8 , 1 } β { 7 , 4 , 3 , 5 , 2 } .

Q24:

Find { 7 , 6 , 8 , 5 } β { 1 , 2 , 3 , 4 , 8 } .

Q25:

Complete using = or β :

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