If f(x)=\frac{1-x}{1+x}, Then find f2010(x) =
here f2010(x) = fofof................2010 times.
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4 Answers
62f(f(x)) = \frac{1-\frac{1-x}{1+x}}{1+\frac{1-x}{1+x}}=\frac{1+x-(1-x)}{1+x+(1-x)}=x
Hence the answer is simply x
1here fof is x
so how can we say fofofof...2010 is also x ?
and wat will then fofof.........2009 times be ???
plz tell sir [7]
