The image of the point (2, 1) with respect to the line mirror be (5, 2). Then the…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The image of the point (2, 1) with respect to the line mirror be (5, 2). Then the equation of the mirror is -
- 3x + y - 12 = 0
- 3x - y + 12 = 0
- 3x + y + 12 = 0
- 3x - y - 12 = 0
Answer
(A) 3x + y - 12 = 0
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The eccentricity of an ellipse whose centre is at the origin is 1 2 . If one of the directrices is x = 4…
- Centre of the circle x 2 + y 2 – 2x + 4y + 1 = 0 is –
- Two points (a, 0) and (0, b) are joined by a straight line. Another point on this line is
- The number of points outside the ellipse on its major axis from which a normal (other than the x-axis) can be…
- The equation of the base of an equilateral triangle is x+y=2 and the vertex is (2, –1). Length of its side is…
- Let P be the point (1, 0) and Q a point on the locus y 2 = 8x. The locus of mid point of PQ is
- The locus of the foot of perpendicular drawn from the centre of the ellipse x 2 + 3y 2 = 6 on any tangent to…
- If P is a moving point in the xy–plane in such a way that perimeter of triangle PQR is 16 where Q ≡ (3, 5 )…
More Co-ordinate Geometry questions · Browse all practice questions