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Most Important Selected Qs for JEE AdvancedMathematicsQuadratic Equation

Let f(x)=x^2-2 x-3 , then =|f(|x|)| has:

Options

  1. Aexactly one solution, if < 0
  2. Bexactly two solutions, if = 0 (4, )
  3. Cexactly three solutions, if =3
  4. Dexactly four solutions, if = 4 (0,3)

Correct answer

D. exactly four solutions, if = 4 (0,3)

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