if f(x)=x-1/x+1 then find f{f(x)}
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f(x)=x-1/x+1
f{f(x)}={(x-1/x+1)-1}/{(x-1/x+1)+1}
f{f(x)}= {-2/(x+1)}/{2x/(x+1)}
f{f(x)}= -2/2x
f{f(x)} = -1/x
hope this helps: p
f{f(x)}={(x-1/x+1)-1}/{(x-1/x+1)+1}
f{f(x)}= {-2/(x+1)}/{2x/(x+1)}
f{f(x)}= -2/2x
f{f(x)} = -1/x
hope this helps: p
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