If two tangents drawn from a point P to the parabola ^ 2 = 4 are at right angles, then…

Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry

1. \(2 x+1=0\)
2. \(\mathbf{x}=-1\)
3. \(2 x-1=0\)
4. \(\mathbf{x}=1\)

Answer

(B) x =-1

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The number of points outside the ellipse on its major axis from which a normal (other than the x-axis) can be…
• If the algebraic sum of the perpendicular distance from the points (2, 0), (0, 2) and (1, 1) on a variable…
• The length of the chord of the parabola x^ 2 =4 y having equation x- 2 y+4 2 =0 is:
• A square of side a lies above the x-axis and has one vertex at the origin. The side passing through the…
• The length of the diameter of the circle which touches the x-axis at the point (1, 0) and passes through the…
• Equation of the ellipse whose foci are (4, 0) and (–4, 0) and e = 1/3 is
• The equations of the lines through (–1, –1) and making angles 45° with the line x + y = 0 are
• Assuming that the line x – 3y + 4 = 0 is working as a mirror for the point (1, 2) then the coordinates of the…

More Co-ordinate Geometry questions · Browse all practice questions