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AP EAMCET · Maths · Hyperbola

A chord through the point \((1,-2)\) cuts the curve \(3 x^2-y^2-2 x+4 y=0\) at \(P\) and \(Q\). If \(P Q\) subtends an angle \(\theta\) at the origin, then \(\theta\) equals

  1. A \(60^{\circ}\)
  2. B \(15^{\circ}\)
  3. C \(75^{\circ}\)
  4. D \(90^{\circ}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(90^{\circ}\)

Step-by-step Solution

Detailed explanation

Given curve, \(3 x^2-y^2-2 x+4 y=0\) Chord passes through \((1,-2)\) cut the given curve at \(P\) and \(Q\) Let slope of line \(P Q\) is \(m\). Then, equation of line is…