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Question
If f(x) = `1 - 1/"x", "then f"("f"(1/"x"))` ____________.
Options
`1/"x"`
`1/(1 + "x")`
`"x"/("x" - 1)`
`1/("x" - 1)`
MCQ
Fill in the Blanks
Solution
If f(x) = `1 - 1/"x", "then f"("f"(1/"x"))` `underline("x"/("x" - 1))`.
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