1. Indicate whether the following statements are true or false. No justification necessary. If g(x, y) is a 2-variable function and P is a point on the graph of g, then the 3-dim (a) vector (ga, Iy, –1) at P is orthogonal to a level surface for G(x, Y, z) := g(x, y) + z. TRUE FALSE If g(x, y) is a 2-variable function and P is a point on the graph of g, then the 3-dim (b) vector (g2, Iy, –1) at P is orthogonal to a level surface for G(x,y, z) := g(x, y) - - 2. TRUE FALSE (c) if two lines in R³ do not intersect, then they must be parallel. TRUE FALSE
1. Indicate whether the following statements are true or false. No justification necessary. If g(x, y) is a 2-variable function and P is a point on the graph of g, then the 3-dim (a) vector (ga, Iy, –1) at P is orthogonal to a level surface for G(x, Y, z) := g(x, y) + z. TRUE FALSE If g(x, y) is a 2-variable function and P is a point on the graph of g, then the 3-dim (b) vector (g2, Iy, –1) at P is orthogonal to a level surface for G(x,y, z) := g(x, y) - - 2. TRUE FALSE (c) if two lines in R³ do not intersect, then they must be parallel. TRUE FALSE
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.3: Lines And Planes
Problem 18EQ
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