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प्रश्न
If f(x) = `(1 - x)/(1 + x)` then f(-x) is equal to:
विकल्प
- f(x)
`1/("f"(x))`
-`1/("f"(x))`
f(x)
MCQ
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उत्तर
`1/("f"(x))`
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Functions and Their Graphs
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