Samacheer Kalvi · 11th TN - English Medium · Knowledge Base · Page 298poem

Exercise 1.3

Chapter 3: Chapter 4 · Knowledge Base · EN medium

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( ) Yes; inverse is not a function f ( − ) , f ( ) , f ( − ) , f ( ) , f ( ) ( ) f ( − ) , f ( ) , f ( ) , f ( − ) − , f ( ) − ( ) ( i ) a function; not one–to–one and not onto ( ii ) not a function ( ) ( i ) { ( , a ) , ( , a ) , ( , a ) , ( , a ) } ( ii ) not possible ( iii ) not possible ( iv ) { ( , a ) , ( , b ) , ( , c ) , ( , d ) } ( ) R −{ nπ + ( − ) n π } , n ∈ Z ( ) ∅ ( ) ( −∞ , − ] ∪ [ , ∞ ) ( )

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