Question:medium

$1 - \{1 + (x^2 - 1)^{-1}\}^{-1} = ?$}

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Negative powers invert the fraction—apply carefully step by step.
Updated On: Apr 23, 2026
  • $x$
  • $\frac{1}{x}$
  • $\frac{1}{x^2}$
  • $x^2$
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The Correct Option is C

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