MHT CET202016 Oct 2020Morning ShiftMathematicsParabolaActual
The cartesian co-ordinates of the point on the parabola y²=x whose parameter is -4 3 are
Options
- A( 4 9 , 4 3 )
- B( 4 3 , -4 3 )
- C( 4 3 , 4 9 )
- D( 4 9 , -2 3 )
Correct answer
D. ( 4 9 , -2 3 )
Step-by-step solution
y²=x t=-4 / 3a= 1 4 (a t², 2 a t )= ( 1 4 16 9 4, -2 3 )= ( 4 9 , -2 3 )