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Bijective Fuction

If f is defin...

Question

If f is defined from A to B is bijective, then which of the following is always true?

A

n(A)>n(B)

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B

A=B

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C

n(A)=n(B)

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D

n(A)<n(B)

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Solution

The correct option is C n(A)=n(B)

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