KCET2025MathematicsSets and Relations
Let A= a, b, c , then the number of equivalence relations on A containing (b, c) is
Options
- A1
- B3
- C2
- D4
Correct answer
C. 2
Step-by-step solution
aligned A & = a , ~b , c R & = ( b , c ),( a , a ),( b , ~b ),( c , c ),( c , ~b ) R & = ( a , a )( b , ~b )( c , c )( a , ~b )( b , a )( a , c )( c , a )( b , c )( c , ~b ) aligned Total (2) equivalence relations possible