KCET2021MathematicsArea Under Curves
If the area of the ellipse is x² 25 + y² ² =1 is 20 sq units, then is
Options
- A4
- B3
- C2
- 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