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Question: Answered & Verified by Expert
Let $f: R \rightarrow R$ be given by $f(x)=\left|x^{2}-1\right|, x \in R$. then
MathematicsApplication of DerivativesWBJEEWBJEE 2021
Options:
  • A f has a local minimum at $x=\pm 1$ but no local maximum
  • B f has a local maximum at $x=0$ but no local minimum
  • C $\mathrm{f}$ has a local minima at $\mathrm{x}=\pm 1$ and a local maxima at $\mathrm{x}=0$
  • D f has neither a local maxima nor a local minima at any point
Solution:
1354 Upvotes Verified Answer
The correct answer is: $\mathrm{f}$ has a local minima at $\mathrm{x}=\pm 1$ and a local maxima at $\mathrm{x}=0$


$f$ has a local minima at $x=\pm 1$ and local maximum at $x=0$

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