if f(x) =log1-x/1+x then f(a) + f(b)=?
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f(a)+f(b)=log( (1-a)*(1-b) / (1+a)*(1+b) )
u sure there was no other info given? that was plain substitution
u sure there was no other info given? that was plain substitution
kanikachauhan1:
i am trying BT i can't solve it
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