Let f:R rarr R and g: RrarrR be two giv...

Let `f:R rarr R and g: RrarrR ` be two given functions such that f is injective and g is surjective. Then which of the following is injective? a)gof b)fog c)gog d)None of these

A

gof

B

fog

C

gog

D

None of these

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The correct Answer is:

D

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