Dump Question: The was written as Y and was written as y.how? Ans: The lines 3x-4y=0 and 4x+3y+12=0 are to each other as clear from their slopes. so, the rotation of axis and...

E-3 IF Three distinct and real normals can be drawn to y2=8x from the point (a,0) then show that a>4. ans:- Equation of normal in terms of m is y=mx-4m-2m3=0 it passes through (a,0) then...

Illustration 10. The general equation to a system of parrallel chords in parabola is 4x - y + K = 0 . What is equation of corresponding diamcter ? Ans Equation of parabola is y And the...

Dumb Question . Why two aprabolas are possible ? Ans In this question only lasus ractum is given and two parabola are possible having same latus ractum on either side as shown in figure...

Types of parabola x + a = 0 y2 = 4ax, a > 0           Y2 = - 4ax, a > 0 s Transformation of parabola. (a) (y - R)2 = 4a (x - h) , a...

Introduction Parabola is a curve of infinite extent and is not often obsened in real life as circles or shaight line are . However, the parabplaic curres are very important and have some vert...