Test SeriesFree PYQsExamsPricing

JEE Main 2012 Mathematics question

MathematicsThree Dimensional GeometryJEE Main 2012

If the three planes x = 5, 2x − 5ay + 3z − 2 = 0 and 3bx + y − 3z = 0 contain a common line, then (a, b) is equal to

Answer: (2)

Solution

The normals must be coplanar: . On x =

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-103621