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TS EAMCET · Maths · Ellipse

The axis of a parabola is parallel to Y -axis. If this parabola passes through the points \((1,0),(0,2),(-1,-1)\) and its equation is \(a x^2+b x+c y+d=0\), then \(\frac{a d}{b c}=\)

  1. A \(\frac{5}{8}\)
  2. B \(\frac{5}{2}\)
  3. C \(-10\)
  4. D \(10\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(10\)

Step-by-step Solution

Detailed explanation

\((1,0),(0,2)\) and \((-1,-1)\) lie on parabola. \(a+b+d=0\) ...(i) \(2 c+d=0\) ...(ii) \(a-b-c+d=0\) ...(iii)…