Interactive Math Set

8/3/2019 Interactive Math Set

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FOUDATIONMETHEMATICS

THE SUMMARY OF

CHAPTER 1SET


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LETSSTART


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Set is collection of elements. Venn Diagram can represent set :


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n(A) represent the number of element of set

and { } indicate of empty set which is setwith no element

Two set are equal set If element in both setare equal

Subset is the set that all element in it alsocontain in other set


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Proper subset Symbol :

Example : C B A

Improper subset

Symbol : Example : D D

Type of subset

D


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The Universal Set is the set that contains allelements in the discussion.

Complement Set is the set that contain allelements in universal set which are not elementin of that set.

Set of intersection ( symbol = ) between two set is set that have a ll elements are commonelements for both set.

Element of union ( symbol = ) of two set is everyelements in both sets.


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Additional Principle

Two setsn (A B) = n(A) + n(B) n (A B)

Three sets

n (A B C) = n(A) + n(B) + n(C) - n (A B) - n (A C)- n (B C) + n (A B C )


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Cartesian product Donated by A x B

Click hereFor example


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If Set A = {1,2} and Set B = {d,c}.

What is element of A x B ?

Answer(A x B) = {(1,d),(1,c),(2,d),(2,c)}


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Lets Do Some Exercises

About Set


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From the diagram identify :a)The Universal Set

b)The complement Set for set Ac)Set of intersection between two set (A B) d)Set of union between two set ( A B)

Answers


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A) The universal Set = { 3,4,8,9,10,13,22 }

B) A = { 9,10,13,22 }

C) A B = { 3,4 }

D) A B = { 3,4,8,9,10 }

END


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Interactive Math Set

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