Steps are given to find focus for a parabola. Arrange the steps.i. Draw a perpendicular bisector EF to BP, Intersecting the axis at a point F.ii. Then F is the focus of parabola.iii. Mark any point P on the parabola and draw a perpendicular PA to the axis.iv. Mark a point B on the on the axis such that BV = VA (V is vertex of parabola). Join B and P.

Steps are given to find focus for a parabola. Arrange the steps.i. Dr

1.	Steps are given to find focus for a parabola. Arrange the steps.i. Draw a perpendicular bisector EF to BP, Intersecting the axis at a point F.ii. Then F is the focus of parabola.iii. Mark any point P on the parabola and draw a perpendicular PA to the axis.iv. Mark a point B on the on the axis such that BV = VA (V is vertex of parabola). Join B and P.
A.	i, ii, iii, iv
B.	ii, iv, i, iii
C.	iii, iv, i, ii
D.	iv, i, ii, iii
Answer» D. iv, i, ii, iii