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Let S,T ,U be three non void sets and...

Let S,T ,U be three non void sets and f: S `rarr` T g: T `rarr` U so that gof : S `rarr` U is surjective then

A

g and f are both surjective

B

g is surjective,f may not be so

C

f i s surjective, g may not be so

D

f and g both may not be surjective

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The correct Answer is:
B
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