What is the Tangent Plane at a Given Point on a Level Surface?

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In summary, the surface f(x,y,z)=0 can be thought of as a "level surface" with a normal vector \nabla f, and the tangent plane at a given point (x_0, y_0, z_0) is described by f_x(x_0,y_0,z_0)(x- x_0)+ f_y(x_0,y_0,z_0)(y-y_0)+ f_z(x_0,y_0, z_0)(z- z_0)= 0. The question asks for what values of (x_0, y_0, z_0) the point (0, 0, 0) lies on the tangent plane
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makyol
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f(x, y, z) = 0 f(x, y, z) = ...

Homework Statement



[PLAIN]http://www.netbookolik.com/wp-content/uploads/2010/07/q12.png

Homework Equations





The Attempt at a Solution



Sorry have no idea:(
 
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If a surface is given by f(x,y,z)= 0 (or any constant) we can think of it as a "level surface" so [itex]\nabla f= f_x\vec{i}+ f_y\vec{j}+ f_z\vec{k}[/itex] is normal to the surface. The tangent plane at [itex](x_0,y_0,z_0)[/itex] is of the form [itex]f_x(x_0,y_0,z_0)(x- x_0)+[/itex][itex] f_y(x_0,y_0,z_0)(y-y_0)+ f_z(x_0,y_0, z_0)(z- z_0)= 0[/itex].

For what [itex](x_0, y_0, z_0)[/itex] does (0, 0, 0) lie on that tangent plane?
 

FAQ: What is the Tangent Plane at a Given Point on a Level Surface?

What is the meaning of "F(x, y, z) = 0" in scientific equations?

The equation F(x, y, z) = 0 is known as an implicit function, where the output (F) is equal to 0 for all values of the input variables (x, y, z). This type of equation is commonly used in mathematics and physics to represent relationships between variables.

How do you solve for x, y, and z in the equation F(x, y, z) = 0?

In order to solve for the variables in this equation, you must have additional information or equations that provide relationships between the variables. This allows you to substitute values and solve for the unknown variables using algebraic or numerical methods.

Can this equation be graphed in a three-dimensional space?

Yes, since the equation contains three variables (x, y, z), it can be graphed in a three-dimensional space. The graph would represent the points where F(x, y, z) = 0, creating a surface or curve in the three-dimensional coordinate system.

What is the significance of the " = 0" in the equation F(x, y, z) = 0?

The " = 0" signifies that the output of the function must equal 0. This is often used to represent a point of equilibrium or a solution to a problem, where the desired outcome is to have the function equal 0.

How is the equation F(x, y, z) = 0 used in scientific research?

This type of equation is used in various scientific fields to represent relationships between variables. It can be used to model physical systems, analyze data, and make predictions. In some cases, it can also be used to find solutions to complex problems or equations.

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