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COMEDK2012MathematicsEllipse

Area of the ellipse x² 25 + y² 16 =1 is given by

Options

  1. A25 sq units
  2. B20 sq units
  3. C4 sq units
  4. D5 units

Correct answer

B. 20 sq units

Step-by-step solution

We have, x² 25 + y² 16 =1 Here, a²=25 a=5b²=16 b=4 So, required area = a b aligned &= (5)(4) &=20 sq units aligned

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