Find the intersection of the set {1, 2, 3, 4} ∩ {2, 4, 5}.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.7: Factoring Pattern For X2+bx+c, C Positive
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Find the intersection of the set {1, 2, 3, 4} ∩ {2, 4, 5}.

Expert Solution
Step 1

We have to find intersection of the set:

1, 2, 3, 42, 4, 5

We know that intersection of set is the largest set where elements should be common to both sets.

So to find intersection of two sets we need to find common elements between the sets.

Intersection is represented by the symbol .

Example:

If we have two sets

A=a, b, c

and,

B=c, d, e

Then AB=c

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