Question

If A=(1,2,3) B=(2, 4) and s is a relation from AtoB which satisfies X=Y in the roster form is​

Answer 1

$Given \: A = \{ 1,2,3\} \: and \: B = \{ 2,4\}$

$i) A \times B = \{ 1,2,3\} \times \{ 2,4\}$

$=\{ (1,2),(1,4),(2,2),(2,4),(3,2),(3,4)\}$

$Now , Required \: relation \:from \: A \:to \:B$

$which \: satisfies \: x = y \: in \: roster \:form:$

$S = \{ (2,2)\}$

Therefore.,

$\red{ Required \: Roster \: form : }$

$\green {S = \{ (2,2)\} }$

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Answer 2

Step-by-step explanation:

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