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if f(g(x)) is one-one function, then...

if `f(g(x))` is one-one function, then

A

g(x) must be one-one

B

f(x) must be one-one

C

f(x) may not be one-one

D

g(x) may not be one-one

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The correct Answer is:
A, C
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ARIHANT MATHS-FUNCTIONS-Exercise (More Than One Correct Option Type Questions)
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