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  4. Let the relation R is defined in N by a R b, if 3 a+2 b=27 then R is

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Q. Let the relation $R$ is defined in $N$ by $a R b$, if $3 a+2 b=27$ then $R$ is

KCETKCET 2022Relations and Functions

Solution:

$2 b =27-3 a$
$b =\frac{27-3 a }{2}$
$R =\{(1,2),(3,9),(5,6),(7,3)\}$