1.Relation and Function
easy

$S=\{a, b, c\}$ અને $T=\{1,2,3\}$ લો. જો અસ્તિત્વ હોય, તો નીચે આપેલાં વિધેયો $F:S \to T$ માટે $F^{-1}$ શોધો. $F =\{( a , 3),\,( b , 2),\,( c , 1)\}$

Option A
Option B
Option C
Option D

Solution

$S =\{ a , b , c \}, \,\,T =\{1,2,3\}$

$F : S \rightarrow T$ is defined as $F =\{( a , 3),\,( b , 2),\,( c , 1)\}$

$\Rightarrow $ $F ( a )=3, \,F ( b )=2,\, F ( c )=1$

Therefore, $F^{ -1}: T \rightarrow $ $S$ is given by $  F ^{-1}=\{(3, a ),\,(2, b ),\,(1, c )\}$

Standard 12
Mathematics

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