Lecture 5-1 - Linesand planes introduction Warmup Question:...

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Lines and planes: introduction
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Warm up Question: how can we describe the line of intersection of two planes?
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Warm up Simpler: what is the intersection of the planes and x = 0 y = 0
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The enemy of my enemy. .. What is a plane? The plane is perpendicular to the line that is perpendicular to it (?!?!!?!)
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The enemy of my enemy. .. What is a plane? The plane is perpendicular to the line that is perpendicular to it (?!?!!?!)
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Quick review How can you tell if two vectors and are perpendicular? a b
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Quick review How can you tell if two vectors and are perpendicular? So how do you write the equation describing "the set of all endpoints of vectors that are perpendicular to a fixed vector "? a b b a
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Quick review How can you tell if two vectors and are perpendicular? So how do you write the equation describing "the set of all endpoints of vectors that are perpendicular to a fixed vector "? Don't look at the next slide if you don't want to see the answer!
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Lecture 5-1 - Linesand planes introduction Warmup Question:...

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