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KVPY2017MathematicsArea Under Curves

Let A₁, A₂, A₃ be regions in the x y -plane defined by array l A₁= (x, y): x²+2 y² 1 A₂= (x, y):|x|³+2 2 |y|³ 1 array A₃= (x, y): (|x|, 2 |y|) 1 . Then

Options

  1. AA ₁ A ₂ A ₃
  2. BA₃ A₁ A₂
  3. CA ₂ A ₃ A ₂
  4. DA₃ A₂ A₁

Correct answer

D. A₃ A₂ A₁

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