MHT CET202015 Oct 2020Morning ShiftMathematicsArea Under CurvesActual
The area bounded by the parabola y²=16 x and its latus - rectum in the first quadrant is
Options
- A128 sq. units
- B64 3 sq. units
- C128 3 sq. units
- D64 sq. units
Correct answer
B. 64 3 sq. units
Step-by-step solution
We have parabola y²=16 x 4 a=16 a=4 . Hence coordinates of end points of latus rectum are (4, 8) Required area is shaded. aligned Area &=4 ₀⁴ x dx =4 [ x^ 3 2 3 2 ]₀⁴ &=4 2 3 [4^ 3 2 -0 ]=4 2 3 8= 64 3 sq. units aligned