Question 996381
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If {{{ f(x) = 1 + (1/x) }}}, find f(f(f(1))).
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f(1) = 1 + {{{1/1}}} = 1 + 1 = 2.


f(f(1)) =     ( substitute  2  as  f(1) )     = f(2) = 1 + {{{1/2}}} = {{{1}}}{{{1/2}}} = {{{3/2}}}.


f(f(f(1))) =     ( substitute  {{{3/2}}}  as  f(f(1)) )      = f({{{3/2}}}) = 1 + {{{1/((3/2))}}} = 1 + {{{2/3}}} = {{{1}}}{{{2/3}}}.