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KCET2021MathematicsArea Under Curves

If the area of the ellipse is x² 25 + y² ² =1 is 20 sq units, then is

Options

  1. A4
  2. B3
  3. C2
  4. D1

Correct answer

A. 4

Step-by-step solution

Area of the ellipse x² a² + y² b² =1 is |a b| . a²=25, b²= ² Area of the ellipse x² 25 + b² ² =1 is 5 | | . array llrl & & 20 & =5 | | & & | | & =4 & & & = 4 array

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