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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

If f(x) = (x - 1)(x - 2) (x - 3)(x - 4) , then number of local extremas for g(x) , where g(x) = f(|x|) :

Options

  1. A3
  2. B4
  3. C5
  4. DNone of these

Correct answer

C. 5

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