Interpreting and Solving a Vector Calculus Question

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Homework Help Overview

The discussion revolves around interpreting a vector calculus problem involving two distinct points A and B in Euclidean space and finding the surface represented by points M that satisfy the equation \(\vec{AM} \cdot \vec{MB} = 0\). Participants express confusion about the meaning of M and the definitions of the vectors involved.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants question the definition of M, with some suggesting it must be a point rather than a scalar. Others discuss the implications of treating A, B, and M as position vectors and the clarity of vector notation. There are attempts to simplify the notation and explore the implications of the dot product equation.

Discussion Status

The discussion is ongoing, with participants providing guidance on simplifying notation and expressing the dot product. Some participants are exploring the potential geometric interpretations of the resulting equations, while others are questioning the definitions and assumptions made in the problem.

Contextual Notes

There is a noted lack of clarity regarding the definitions of the vectors and points involved, as well as the notation used in the problem statement. Participants are also navigating the constraints of their coursework and prior knowledge in vector calculus.

  • #31
petertheta said:
I get it. so I could descibe the surface as a sphere with a centre... and radius... which I deduce algebraically?

Hint: you should complete the square thrice - just do it on one of the coordinate variables, and the rest have the same pattern.
 

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