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      Question

      The equation 9x ²  + 4y ²  = 36  represents an

      ellipse. Its eccentricity is:
      A 1/4 Correct Answer Incorrect Answer
      B 1/9 Correct Answer Incorrect Answer
      C √5/2 Correct Answer Incorrect Answer
      D √5/3 Correct Answer Incorrect Answer

      Solution

      We are given the equation:

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