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Consider functions \(f:A\to B\) and \(g:B\to C(A,B,C\subseteq R)\) such that \((gof{)}^{-1}\) exists, then : [JEE Main 2…

Q1

Consider functions \(f:A\to B\) and \(g:B\to C(A,B,C\subseteq R)\) such that \((gof{)}^{-1}\) exists, then :

[JEE Main 2021, 25 Jul (Shift 2)]

a

f and g both are onto

b

f is onto and g is one-one

c

f is one-one and g is onto

d

f and g both are one-one

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