How To Find The Equation of a Plane Given Three Points

# How To Find The Equation of a Plane Given Three Points Video Lecture | Mathematics (Maths) for JEE Main & Advanced

## Mathematics (Maths) for JEE Main & Advanced

209 videos|443 docs|143 tests

## FAQs on How To Find The Equation of a Plane Given Three Points Video Lecture - Mathematics (Maths) for JEE Main & Advanced

 1. How do you find the equation of a plane given three points?
Ans. To find the equation of a plane given three points, first, find two vectors that lie in the plane using the given points. Then, take the cross product of the two vectors to find the normal vector to the plane. Finally, use one of the points and the normal vector to form the equation of the plane in the form Ax + By + Cz = D.
 2. Is it possible to find the equation of a plane with only two points?
Ans. No, it is not possible to find the equation of a plane with only two points. At least three non-collinear points are needed to uniquely determine a plane in three-dimensional space.
 3. Can the equation of a plane be found if the points are collinear?
Ans. No, if the three points given are collinear, it is not possible to determine a unique plane since all the points lie on the same line. In this case, the equation of the plane cannot be found.
 4. What is the significance of finding the equation of a plane in geometry and mathematics?
Ans. Finding the equation of a plane is important in various fields of mathematics and geometry, as it helps in determining the orientation and position of the plane in three-dimensional space. It is also crucial in solving problems related to vectors, lines, and surfaces.
 5. Are there alternative methods to find the equation of a plane apart from using three points?
Ans. Yes, apart from using three points, the equation of a plane can also be found using a point and a normal vector, or by using a point and two intersecting lines on the plane. These methods provide different ways to determine the equation of a plane in three-dimensional space.

## Mathematics (Maths) for JEE Main & Advanced

209 videos|443 docs|143 tests

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