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  2. Engineering Graphics
  3. Which of the following is not a parabola...
Q.

Which of the following is not a parabola equation?

A. x2 = 4ay
B. y2 – 8ax = 0
C. x2 = by
D. x2 = 4ay2
Answer» D. x2 = 4ay2
Explanation: the remaining represents different forms of parabola just by adjusting them we can get general notation of parabola but x2 = 4ay2 gives equation for hyperbola. and x2 + 4ay2 =1 gives equation for ellipse.
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