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If (x)=(a^(x)-1)/(a^(x)+1) , choose the ...

If `(x)=(a^(x)-1)/(a^(x)+1)` , choose the correct statement.
I. f(-x)=f(x)
II. F(-x)=-f(x)
III. F(2x)=2f(x)

A

Only I

B

Only II

C

Only III

D

Both II and III

Text Solution

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The correct Answer is:
B
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