JEE Main2012MathematicsArea Under CurvesActual
The area bounded between the parabolas x^2= y 4 and x^2=9 y , and the straight line y=2 is
Options
- A20 2
- B10 2 3
- C20 2 3
- D10 2
Correct answer
C. 20 2 3
Step-by-step solution
Required area aligned & A=2 [ ₀^2 (3 y - y 2 ) d y ]=2 ₀^2 5 y 2 d y & =5 [ y^ 3 / 2 3 / 2 ]₀^2= 10 3 [2^ 3 / 2 -0 ]= 20 2 3 aligned