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JEE Mains · Maths · STD 12 - 5. continuity and differentiation

\([-3,3]\) पर एक फलन \(f\) निम्न द्वारा परिभाषित है \(f(x)=\left\{\begin{array}{cc}\min \left\{|x|, 2-x^{2}\right\} & , \quad-2 \leq x \leq 2 \\ {[|x|]} & , \quad 2<|x| \leq 3\end{array}\right.\) जहाँ \([ x ]\) महत्तम पूर्णाक \(\leq x\) है। \((-3,3)\) में उन बिन्दुओं की संख्या, जहाँ \(f\) अवकलनीय नहीं है ......... |

  1. A \(10\)
  2. B \(2\)
  3. C \(5\)
  4. D \(8\)
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(C) \(5\)

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\(f(x)=\left\{\begin{array}{cc}\min \left\{|x|, 2-x^{2}\right\} & , \quad-2 \leq x \leq 2 \\ {[|x|]} & , \quad 2<|x| \leq 3\end{array}\right.\) \(\Rightarrow x \in[-3,-2) \cup(2,3]\) Number of points of non-differentiability in \((-3,3)=5\)
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