The equation Ax + By = 0 represents a line through the origin in R2 if A andB are not
Chapter 3, Problem 25(choose chapter or problem)
The equation Ax + By = 0 represents a line through the origin in R2 if A andB are not both zero. What does this equation represent in R3 if you think of it as Ax + By + 0z = 0? Explain.
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