Show, as in Example 1.1.9, that A is not a subset of $B$. $A=\{1,2,3\}, B=\{1,2\}$

Sets and Logic

Sets

Name: Problem 49, Chapter 1: Discrete Mathematics
Uploaded: 2022-10-08T09:20:01-08:00
Duration: 1 min 30 s
Channel: Manisha Sarker
Description: Show, as in Example 1.1.9, that A is not a subset of B. A={x |x^3-2 x^2-x+2=0}, B={1,2}

Question

Show, as in Example 1.1.9, that A is not a subset of B. A={x |x^3-2 x^2-x+2=0}, B={1,2}

Manisha Sarker · Accepted Answer

step 1 In this problem, we have been given two sets, and we need to show that A is not a subset of B. N

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