multi test 1

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Last updated 3:58 AM on 6/25/26
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9 Terms

1
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scalar projection of b onto a

(a * b) / ||a||

2
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vector projection of b onto a

((a * b) / ||a||²) a

3
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elipsoid

(x²/a²) + (y²/b²)+ (z²/c²) = 1

4
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cone

5
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plane through a point (x0, y0, z0) and normal vector n = <a, b, c>

a(x - x0) + b(y-y0) + c(z-z0)

6
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normal vector from points A, B, C on a plane

n = AB x AC

7
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Parametric equations for a line

x = x0 + at, y = y0 + bt, z = z0 + ct,

8
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Unit tangent vector

r’(t) / |r’(t)|

9
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