Question
Question: The differential equation of all parabola having their axis of symmetry coinciding with axis of x is...
The differential equation of all parabola having their axis of symmetry coinciding with axis of x is
A
yy2 + y12 = 0
B
xdy2d2x + (y1)2 = 0
C
yy2 + y1 = 0
D
None of these
Answer
yy2 + y12 = 0
Explanation
Solution
The equation of such parabola
y2 = 4a(x – h).
only two parameters a and h, eliminate these